-3r+2(4r+5)=7

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Solution for -3r+2(4r+5)=7 equation: 



-3r+2(4r+5)=7

We move all terms to the left:

-3r+2(4r+5)-(7)=0

We multiply parentheses

-3r+8r+10-7=0

We add all the numbers together, and all the variables

5r+3=0

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

5r=-3

r=-3/5

r=-3/5

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