7x+13=-3x-12

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Solution for 7x+13=-3x-12 equation: 



7x+13=-3x-12

We move all terms to the left:

7x+13-(-3x-12)=0

We get rid of parentheses

7x+3x+12+13=0

We add all the numbers together, and all the variables

10x+25=0

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

10x=-25

x=-25/10

x=-2+1/2

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