7r+2=5(r-40)

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Solution for 7r+2=5(r-40) equation: 



7r+2=5(r-40)

We move all terms to the left:

7r+2-(5(r-40))=0



We calculate terms in parentheses: -(5(r-40)), so:

5(r-40)

We multiply parentheses

5r-200

Back to the equation:

-(5r-200)



We get rid of parentheses

7r-5r+200+2=0

We add all the numbers together, and all the variables

2r+202=0

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

2r=-202

r=-202/2

r=-101

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