-15=-2x-4x-x

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Solution for -15=-2x-4x-x equation: 



-15=-2x-4x-x

We move all terms to the left:

-15-(-2x-4x-x)=0

We add all the numbers together, and all the variables

-(-7x)-15=0

We get rid of parentheses

7x-15=0

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

7x=15

x=15/7

x=2+1/7

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