-3(-7-x)=0.50(x+2)

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Solution for -3(-7-x)=0.50(x+2) equation: 



-3(-7-x)=0.50(x+2)

We move all terms to the left:

-3(-7-x)-(0.50(x+2))=0

We add all the numbers together, and all the variables

-3(-1x-7)-(0.50(x+2))=0

We multiply parentheses

3x-(0.50(x+2))+21=0



We calculate terms in parentheses: -(0.50(x+2)), so:

0.50(x+2)

We multiply parentheses

0.5x+1

Back to the equation:

-(0.5x+1)



We get rid of parentheses

3x-0.5x-1+21=0

We add all the numbers together, and all the variables

2.5x+20=0

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

2.5x=-20

x=-20/2.5

x=-8

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