4.2(15+5x)=-20-21-x

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Solution for 4.2(15+5x)=-20-21-x equation: 



4.2(15+5x)=-20-21-x

We move all terms to the left:

4.2(15+5x)-(-20-21-x)=0

We add all the numbers together, and all the variables

4.2(5x+15)-(-1x-41)=0

We multiply parentheses

21x-(-1x-41)+63=0

We get rid of parentheses

21x+1x+41+63=0

We add all the numbers together, and all the variables

22x+104=0

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

22x=-104

x=-104/22

x=-4+8/11

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