7x+42=5x-13

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Solution for 7x+42=5x-13 equation: 



7x+42=5x-13

We move all terms to the left:

7x+42-(5x-13)=0

We get rid of parentheses

7x-5x+13+42=0

We add all the numbers together, and all the variables

2x+55=0

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

2x=-55

x=-55/2

x=-27+1/2

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