15+5x=-4x+12

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Solution for 15+5x=-4x+12 equation: 



15+5x=-4x+12

We move all terms to the left:

15+5x-(-4x+12)=0

We get rid of parentheses

5x+4x-12+15=0

We add all the numbers together, and all the variables

9x+3=0

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

9x=-3

x=-3/9

x=-1/3

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