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

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Solution for 4(2x+21)=2(3-x) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4(2x+21)-(2(-1x+3))=0

We multiply parentheses

8x-(2(-1x+3))+84=0



We calculate terms in parentheses: -(2(-1x+3)), so:

2(-1x+3)

We multiply parentheses

-2x+6

Back to the equation:

-(-2x+6)



We get rid of parentheses

8x+2x-6+84=0

We add all the numbers together, and all the variables

10x+78=0

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

10x=-78

x=-78/10

x=-7+4/5

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