7-3r=-4(2+r)+r

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



7-3r=-4(2+r)+r

We move all terms to the left:

7-3r-(-4(2+r)+r)=0

We add all the numbers together, and all the variables

-3r-(-4(r+2)+r)+7=0



We calculate terms in parentheses: -(-4(r+2)+r), so:

-4(r+2)+r

We add all the numbers together, and all the variables

r-4(r+2)

We multiply parentheses

r-4r-8

We add all the numbers together, and all the variables

-3r-8

Back to the equation:

-(-3r-8)



We get rid of parentheses

-3r+3r+8+7=0

We add all the numbers together, and all the variables

15!=0

There is no solution for this equation

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