Linear equations
Revision
4 kinds
82 x Easy
4 kinds
1943 x
82 x Easy
Two step
4 kinds
1943 x
82 x
4523 xx
Easy
Two step
X on bothsides
4 kinds
1943 x
82 x
4523 xx
Easy
Two step
X on bothsides
Brackets204)2(3 xx
Easy examples
153 x
Easy examples
153 xWhat is the 3 doing?
Easy examples
153 xWhat is the 3 doing?
Multiplying the x
Easy examples
153 xWhat is the 3 doing?
Multiplying the x
Easy examples
153 xWhat is the 3 doing?
Multiplying the x
Do the opposite!
Easy examples
153 xWhat is the 3 doing?
Multiplying the x
Do the opposite!
Divide by 3
Easy examples
153 xWhat is the 3 doing?
5x
Multiplying the x
Do the opposite!
Divide by 3
Easy examples
Easy examples
136x
Easy examples
136xWhat is the 6 doing?
Easy examples
136xWhat is the 6 doing?
Adding to the x
Easy examples
136xWhat is the 6 doing?
Adding to the x
Do the opposite!
Easy examples
136xWhat is the 6 doing?
Adding to the x
Do the opposite!
Subtract 6
Easy examples
136xWhat is the 6 doing?
7x
Adding to the x
Do the opposite!
Subtract 6
Easy examples
Easy examples
84
x
Easy examples
84
x What is the 4 doing?
Easy examples
84
x What is the 4 doing?
Dividing the x
Easy examples
84
x What is the 4 doing?
Dividing the x
Do the opposite!
Easy examples
84
x What is the 4 doing?
Dividing the x
Do the opposite!
Multiply by 4
Easy examples
84
x What is the 4 doing?
32x
Dividing the x
Do the opposite!
Multiply by 4
Easy examples
Your turn
162
x
72x
369 x
Your turn
72x
369 x
162
x
X=32
X=4
X=9
Two step equations
1943 x
Two step equations
1943 xUndo the +4
Two step equations
1943 xUndo the +4
Two step equations
153 x
1943 xUndo the +4
Two step equations
Undo the x3153 x
1943 xUndo the +4
5x
Two step equations
Undo the x3153 x
Two step equations
1332 x
Two step equations
1332 xUndo the -3
Two step equations
1332 xUndo the -3
Two step equations
162 x
1332 xUndo the -3
Two step equations
Undo the x2162 x
1332 xUndo the -3
8x
Two step equations
Undo the x2162 x
1053 x
Your turn
1532 x
1825 x
1053 x
Your turn
1532 x
1825 x
X = 5
X = 6
X = 4
X on both sides
X on both sides
4523 xx
X on both sides
4523 xx Take 3x off both sides
X on both sides
4523 xx
422 xTake 3x off both sides
X on both sides
4523 xx
422 xTake 3x off both sides
Undo -4
X on both sides
4523 xx
422 x
x26
Take 3x off both sides
Undo -4
X on both sides
4523 xx
422 x
x26
Take 3x off both sides
Undo -4
Undo x2
X on both sides
4523 xx
422 x
x26
Take 3x off both sides
Undo -4
x3Undo x2
X on both sides
X on both sides
xx 22163
X on both sides
xx 22163 Add 2x to both sides
X on both sides
xx 22163
2165 xAdd 2x to both sides
X on both sides
xx 22163
2165 xAdd 2x to both sides
Undo +6
X on both sides
xx 22163
2165 x
155 x
Add 2x to both sides
Undo +6
X on both sides
xx 22163
2165 x
155 x
Add 2x to both sides
Undo +6
Undo x5
X on both sides
xx 22163
2165 x
155 x
Add 2x to both sides
Undo +6
3xUndo x5
Your turn
11364 xx
xx 22325
18532 xx
3473 xx
Your turn
11364 xx
xx 22325
18532 xx
3473 xx
X = 7
X = 3
X = 5
X = 10
Brackets
Brackets
415)3(2 xx
Brackets
415)3(2 xx Multiply outbracket
Brackets
415)3(2 xx
41562 xxMultiply outbracket
Brackets
415)3(2 xx
41562 xxMultiply outbracketCollect terms
Brackets
415)3(2 xx
41562 xx4167 x
Multiply outbracketCollect terms
Brackets
415)3(2 xx
41562 xx4167 x
Multiply outbracketCollect terms
Undo +6
Brackets
415)3(2 xx
41562 xx4167 x
Multiply outbracket
357 x
Collect terms
Undo +6
Brackets
415)3(2 xx
41562 xx4167 x
Multiply outbracket
357 x
Collect terms
Undo +6
Undo x7
Brackets
415)3(2 xx
41562 xx4167 x
Multiply outbracket
357 x5x
Collect terms
Undo +6
Undo x7
Brackets
Brackets
11)72(5)43(2 xx
Brackets
11)72(5)43(2 xx
11351086 xx
Brackets
11)72(5)43(2 xx
11351086 xx
11274 x
Brackets
11)72(5)43(2 xx
11351086 xx
11274 x164 x
Brackets
11)72(5)43(2 xx
11351086 xx
11274 x164 x
4x
Your turn
0)13(2)32(4 xx
28)13(2 x
165)43(3 xx
12)23(3 x
Your turn
0)13(2)32(4 xx
28)13(2 x
165)43(3 xx
12)23(3 x
X = 5
X = 5
X = 2
X = 2
Find a GCSE textbook and complete the exercises on linear equations.
Find a GCSE textbook and complete the exercises on linear equations.
Try to complete a few of each type of equation and check the answers.
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