5(r+8)=90

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Solution for 5(r+8)=90 equation: 



5(r+8)=90

We move all terms to the left:

5(r+8)-(90)=0

We multiply parentheses

5r+40-90=0

We add all the numbers together, and all the variables

5r-50=0

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

5r=50

r=50/5

r=10

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