7x+12=2x-3

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Solution for 7x+12=2x-3 equation: 



7x+12=2x-3

We move all terms to the left:

7x+12-(2x-3)=0

We get rid of parentheses

7x-2x+3+12=0

We add all the numbers together, and all the variables

5x+15=0

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

5x=-15

x=-15/5

x=-3

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