15-7x=2x-30

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Solution for 15-7x=2x-30 equation: 



15-7x=2x-30

We move all terms to the left:

15-7x-(2x-30)=0

We get rid of parentheses

-7x-2x+30+15=0

We add all the numbers together, and all the variables

-9x+45=0

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

-9x=-45

x=-45/-9

x=+5

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