M3-1.1 Equations with Variables on Both Sides.notebook · M31.1 Equations with Variables on Both...
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Transcript of M3-1.1 Equations with Variables on Both Sides.notebook · M31.1 Equations with Variables on Both...
M31.1 Equations with Variables on Both Sides.notebook
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learning targets
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M3-1.1 Equations with Variables on Both Sides
/ / #
Examples: Notes:
EQ: How can you solve equations when there are variables on both sides of the equation?
Addition Property of Equality• If a = b, • then a + c = b + c
Subtraction Property of Equality• If a = b, • then a - c = b - c
Multplication Property of Equality• If a = b, • then ac = bc
Division Property of Equality• If a = b and c ≠ 0• then
a = 3 & b = 3c = 2
3 + 2 = 3 + 2
a = 3 & b = 3c = 2
3 - 2 = 3 - 2
a = 3 & b = 3c = 2
3(2) = 3(2)
a = 3 & b = 3 c = 2
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M3-1.1 Equations with Variables on Both Sides
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Examples: Notes:
EQ: How can you solve equations when there are variables on both sides of the equation?
Inverse Operation: Operations that UNDO each other.• Addition & Subtraction• Multiplication & Division
Additive Identity Property of 0• add a number to zero, the result, or sum, is
that original number
MIPOO = Multiplicative Identity Property of One:• multiply a number by 1, the result, or
product, is that original number.
a
10 - 3 = 7 + 310 x 2 = 20 ÷ 2
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M3-1.1 Equations with Variables on Both Sides
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Examples: Notes:
EQ: How can you solve equations when there are variables on both sides of the equation?
Isolate the Variable: Getting the variable alone on one side of the equal sign.7 steps of algebra- Blue pages
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Remember!!
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Practice
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Practice
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Practice
