3x+12+x-8=90

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Solution for 3x+12+x-8=90 equation:



3x+12+x-8=90
We move all terms to the left:
3x+12+x-8-(90)=0
We add all the numbers together, and all the variables
4x-86=0
We move all terms containing x to the left, all other terms to the right
4x=86
x=86/4
x=21+1/2

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