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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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



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

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=0

We add all the numbers together, and all the variables

8!=0

There is no solution for this equation

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