2x+5-7x=15-x

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Solution for 2x+5-7x=15-x equation: 



2x+5-7x=15-x

We move all terms to the left:

2x+5-7x-(15-x)=0

We add all the numbers together, and all the variables

2x-7x-(-1x+15)+5=0

We add all the numbers together, and all the variables

-5x-(-1x+15)+5=0

We get rid of parentheses

-5x+1x-15+5=0

We add all the numbers together, and all the variables

-4x-10=0

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

-4x=10

x=10/-4

x=-2+1/2

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