9x+42=4x-12

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Solution for 9x+42=4x-12 equation: 



9x+42=4x-12

We move all terms to the left:

9x+42-(4x-12)=0

We get rid of parentheses

9x-4x+12+42=0

We add all the numbers together, and all the variables

5x+54=0

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

5x=-54

x=-54/5

x=-10+4/5

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