3(5r+1)+7(6r+6)+6=45

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Solution for 3(5r+1)+7(6r+6)+6=45 equation: 



3(5r+1)+7(6r+6)+6=45

We move all terms to the left:

3(5r+1)+7(6r+6)+6-(45)=0

We add all the numbers together, and all the variables

3(5r+1)+7(6r+6)-39=0

We multiply parentheses

15r+42r+3+42-39=0

We add all the numbers together, and all the variables

57r+6=0

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

57r=-6

r=-6/57

r=-2/19

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