-15x-2x+7+10x=21

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Solution for -15x-2x+7+10x=21 equation: 



-15x-2x+7+10x=21

We move all terms to the left:

-15x-2x+7+10x-(21)=0

We add all the numbers together, and all the variables

-7x-14=0

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

-7x=14

x=14/-7

x=-2

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