3(6+7r)+4=127

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Solution for 3(6+7r)+4=127 equation: 



3(6+7r)+4=127

We move all terms to the left:

3(6+7r)+4-(127)=0

We add all the numbers together, and all the variables

3(7r+6)+4-127=0

We add all the numbers together, and all the variables

3(7r+6)-123=0

We multiply parentheses

21r+18-123=0

We add all the numbers together, and all the variables

21r-105=0

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

21r=105

r=105/21

r=5

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