5x+15=8x-(42)

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Solution for 5x+15=8x-(42) equation: 



5x+15=8x-(42)

We move all terms to the left:

5x+15-(8x-(42))=0

We get rid of parentheses

5x-8x+42+15=0

We add all the numbers together, and all the variables

-3x+57=0

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

-3x=-57

x=-57/-3

x=+19

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