12x+5+15x-9=-3x+56

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Solution for 12x+5+15x-9=-3x+56 equation: 



12x+5+15x-9=-3x+56

We move all terms to the left:

12x+5+15x-9-(-3x+56)=0

We add all the numbers together, and all the variables

27x-(-3x+56)-4=0

We get rid of parentheses

27x+3x-56-4=0

We add all the numbers together, and all the variables

30x-60=0

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

30x=60

x=60/30

x=2

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