12x-15=-7x

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



12x-15=-7x

We move all terms to the left:

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

We get rid of parentheses

12x+7x-15=0

We add all the numbers together, and all the variables

19x-15=0

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

19x=15

x=15/19

x=15/19

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