3(7-x)=2(-7-4x)

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Solution for 3(7-x)=2(-7-4x) equation: 



3(7-x)=2(-7-4x)

We move all terms to the left:

3(7-x)-(2(-7-4x))=0

We add all the numbers together, and all the variables

3(-1x+7)-(2(-4x-7))=0

We multiply parentheses

-3x-(2(-4x-7))+21=0



We calculate terms in parentheses: -(2(-4x-7)), so:

2(-4x-7)

We multiply parentheses

-8x-14

Back to the equation:

-(-8x-14)



We get rid of parentheses

-3x+8x+14+21=0

We add all the numbers together, and all the variables

5x+35=0

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

5x=-35

x=-35/5

x=-7

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