90-3x=132-9x

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Solution for 90-3x=132-9x equation:



90-3x=132-9x
We move all terms to the left:
90-3x-(132-9x)=0
We add all the numbers together, and all the variables
-3x-(-9x+132)+90=0
We get rid of parentheses
-3x+9x-132+90=0
We add all the numbers together, and all the variables
6x-42=0
We move all terms containing x to the left, all other terms to the right
6x=42
x=42/6
x=7

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