7r-70=3r+(-126)

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Solution for 7r-70=3r+(-126) equation: 



7r-70=3r+(-126)

We move all terms to the left:

7r-70-(3r+(-126))=0



We calculate terms in parentheses: -(3r+(-126)), so:

3r+(-126)

We add all the numbers together, and all the variables

3r-126

Back to the equation:

-(3r-126)



We get rid of parentheses

7r-3r+126-70=0

We add all the numbers together, and all the variables

4r+56=0

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

4r=-56

r=-56/4

r=-14

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