-x+2(-3.5x-9.5)=21

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Solution for -x+2(-3.5x-9.5)=21 equation: 



-x+2(-3.5x-9.5)=21

We move all terms to the left:

-x+2(-3.5x-9.5)-(21)=0

We add all the numbers together, and all the variables

-1x+2(-3.5x-9.5)-21=0

We multiply parentheses

-1x-6x-19-21=0

We add all the numbers together, and all the variables

-7x-40=0

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

-7x=40

x=40/-7

x=-5+5/7

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