-11x-12.9=15-7x

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Solution for -11x-12.9=15-7x equation: 



-11x-12.9=15-7x

We move all terms to the left:

-11x-12.9-(15-7x)=0

We add all the numbers together, and all the variables

-11x-(-7x+15)-12.9=0

We get rid of parentheses

-11x+7x-15-12.9=0

We add all the numbers together, and all the variables

-4x-27.9=0

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

-4x=27.9

x=27.9/-4

x=-6+2.0526315789474/2.1052631578947

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