21(x-4)=7-3x

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Solution for 21(x-4)=7-3x equation: 



21(x-4)=7-3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

21x-(-3x+7)-84=0

We get rid of parentheses

21x+3x-7-84=0

We add all the numbers together, and all the variables

24x-91=0

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

24x=91

x=91/24

x=3+19/24

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