4(3r+5)-5r=-8

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Solution for 4(3r+5)-5r=-8 equation: 



4(3r+5)-5r=-8

We move all terms to the left:

4(3r+5)-5r-(-8)=0

We add all the numbers together, and all the variables

-5r+4(3r+5)+8=0

We multiply parentheses

-5r+12r+20+8=0

We add all the numbers together, and all the variables

7r+28=0

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

7r=-28

r=-28/7

r=-4

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