15x-12=-57

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Solution for 15x-12=-57 equation: 



15x-12=-57

We move all terms to the left:

15x-12-(-57)=0

We add all the numbers together, and all the variables

15x+45=0

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

15x=-45

x=-45/15

x=-3

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