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

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



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

We move all terms to the left:

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

We multiply parentheses

12r-4r+15-8-7=0

We add all the numbers together, and all the variables

8r=0

r=0/8

r=0

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