4x+5x=-12+x

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Solution for 4x+5x=-12+x equation: 



4x+5x=-12+x

We move all terms to the left:

4x+5x-(-12+x)=0

We add all the numbers together, and all the variables

4x+5x-(x-12)=0

We add all the numbers together, and all the variables

9x-(x-12)=0

We get rid of parentheses

9x-x+12=0

We add all the numbers together, and all the variables

8x+12=0

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

8x=-12

x=-12/8

x=-1+1/2

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