7x-12+5x+18=90

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Solution for 7x-12+5x+18=90 equation:



7x-12+5x+18=90
We move all terms to the left:
7x-12+5x+18-(90)=0
We add all the numbers together, and all the variables
12x-84=0
We move all terms containing x to the left, all other terms to the right
12x=84
x=84/12
x=7

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