7x+12=10x-15

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Solution for 7x+12=10x-15 equation: 



7x+12=10x-15

We move all terms to the left:

7x+12-(10x-15)=0

We get rid of parentheses

7x-10x+15+12=0

We add all the numbers together, and all the variables

-3x+27=0

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

-3x=-27

x=-27/-3

x=+9

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