15x+5=3x-7

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Solution for 15x+5=3x-7 equation: 



15x+5=3x-7

We move all terms to the left:

15x+5-(3x-7)=0

We get rid of parentheses

15x-3x+7+5=0

We add all the numbers together, and all the variables

12x+12=0

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

12x=-12

x=-12/12

x=-1

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