5r-25=5(10-r)+5

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Solution for 5r-25=5(10-r)+5 equation: 



5r-25=5(10-r)+5

We move all terms to the left:

5r-25-(5(10-r)+5)=0

We add all the numbers together, and all the variables

5r-(5(-1r+10)+5)-25=0



We calculate terms in parentheses: -(5(-1r+10)+5), so:

5(-1r+10)+5

We multiply parentheses

-5r+50+5

We add all the numbers together, and all the variables

-5r+55

Back to the equation:

-(-5r+55)



We get rid of parentheses

5r+5r-55-25=0

We add all the numbers together, and all the variables

10r-80=0

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

10r=80

r=80/10

r=8

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