5x+12=-2x-51

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Solution for 5x+12=-2x-51 equation: 



5x+12=-2x-51

We move all terms to the left:

5x+12-(-2x-51)=0

We get rid of parentheses

5x+2x+51+12=0

We add all the numbers together, and all the variables

7x+63=0

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

7x=-63

x=-63/7

x=-9

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