-4x+6-7=21

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Solution for -4x+6-7=21 equation: 



-4x+6-7=21

We move all terms to the left:

-4x+6-7-(21)=0

We add all the numbers together, and all the variables

-4x-22=0

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

-4x=22

x=22/-4

x=-5+1/2

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