You already know how to solve
equations like these:
453 x 29 x
Use inverse operations to isolate
the variable.
453 x 29 x3 3 9 9
Use inverse operations to isolate
the variable.
15x 7x
But most linear equations are slightly more
complicated.
5214 x
In mathematics, the goal is often to change
something we don’t
know how to do . . . 5214 x
. . . into something we already
know how to do. 5214 x
21 21164 x
You can solve this equation.
164 x4 4
4x
You can solve this equation.
Given a linear equation in the form,
,cbax ,9999 x
your first step will be to isolate the variable term.
,9999 x
first!
In other words, do the additionor subtraction
9999 x
In other words, do the addition or subtraction
first!
9 9
9999 x
Now you have changed the equation to one you
can easily solve.
9 9
Now you have changed the equation to one you
can easily solve.
909 x9 9
Now you have changed the equation to one you
can easily solve.
10x
As you solve these,you just need to remember
one thing.
2113.1 x24215.2 x
587411.3 x
Do the addition or subtractionfirst!
2113.1 x24215.2 x
587411.3 x
2113.1 x
24215.2 x
587411.3 x
3.1 x
9.2 x
12.3 x
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