12=5x-13x-42

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Solution for 12=5x-13x-42 equation: 



12=5x-13x-42

We move all terms to the left:

12-(5x-13x-42)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

8x+42+12=0

We add all the numbers together, and all the variables

8x+54=0

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

8x=-54

x=-54/8

x=-6+3/4

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