(3)(2x-8)=7x-21

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Solution for (3)(2x-8)=7x-21 equation: 



(3)(2x-8)=7x-21

We move all terms to the left:

(3)(2x-8)-(7x-21)=0

We multiply parentheses

6x-(7x-21)-24=0

We get rid of parentheses

6x-7x+21-24=0

We add all the numbers together, and all the variables

-1x-3=0

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

-x=3

x=3/-1

x=-3

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