3x(-7)=8x+4

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Solution for 3x(-7)=8x+4 equation: 



3x(-7)=8x+4

We move all terms to the left:

3x(-7)-(8x+4)=0

We multiply parentheses

-21x-(8x+4)=0

We get rid of parentheses

-21x-8x-4=0

We add all the numbers together, and all the variables

-29x-4=0

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

-29x=4

x=4/-29

x=-4/29

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