15x-7+12x=20

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Solution for 15x-7+12x=20 equation: 



15x-7+12x=20

We move all terms to the left:

15x-7+12x-(20)=0

We add all the numbers together, and all the variables

27x-27=0

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

27x=27

x=27/27

x=1

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