8x-12=3x+(-42)

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Solution for 8x-12=3x+(-42) equation: 



8x-12=3x+(-42)

We move all terms to the left:

8x-12-(3x+(-42))=0



We calculate terms in parentheses: -(3x+(-42)), so:

3x+(-42)

We add all the numbers together, and all the variables

3x-42

Back to the equation:

-(3x-42)



We get rid of parentheses

8x-3x+42-12=0

We add all the numbers together, and all the variables

5x+30=0

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

5x=-30

x=-30/5

x=-6

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