10x+9=-3x+87

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Solution for 10x+9=-3x+87 equation: 



10x+9=-3x+87

We move all terms to the left:

10x+9-(-3x+87)=0

We get rid of parentheses

10x+3x-87+9=0

We add all the numbers together, and all the variables

13x-78=0

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

13x=78

x=78/13

x=6

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