5x+15=-4x-12

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



5x+15=-4x-12
We move all terms to the left:
5x+15-(-4x-12)=0
We get rid of parentheses
5x+4x+12+15=0
We add all the numbers together, and all the variables
9x+27=0
We move all terms containing x to the left, all other terms to the right
9x=-27
x=-27/9
x=-3

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