3(x-1)+2x-12=100

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Solution for 3(x-1)+2x-12=100 equation: 



3(x-1)+2x-12=100

We move all terms to the left:

3(x-1)+2x-12-(100)=0

We add all the numbers together, and all the variables

2x+3(x-1)-112=0

We multiply parentheses

2x+3x-3-112=0

We add all the numbers together, and all the variables

5x-115=0

We move all terms containing x to the left, all other terms to the right

5x=115

x=115/5

x=23

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