15x+12-7x=-4

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Solution for 15x+12-7x=-4 equation: 



15x+12-7x=-4

We move all terms to the left:

15x+12-7x-(-4)=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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