-3x-45=-7x+15

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Solution for -3x-45=-7x+15 equation: 



-3x-45=-7x+15

We move all terms to the left:

-3x-45-(-7x+15)=0

We get rid of parentheses

-3x+7x-15-45=0

We add all the numbers together, and all the variables

4x-60=0

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

4x=60

x=60/4

x=15

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