-4x+6=3x+21

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Solution for -4x+6=3x+21 equation: 



-4x+6=3x+21

We move all terms to the left:

-4x+6-(3x+21)=0

We get rid of parentheses

-4x-3x-21+6=0

We add all the numbers together, and all the variables

-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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