6r+4=12r+7

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Solution for 6r+4=12r+7 equation: 



6r+4=12r+7

We move all terms to the left:

6r+4-(12r+7)=0

We get rid of parentheses

6r-12r-7+4=0

We add all the numbers together, and all the variables

-6r-3=0

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

-6r=3

r=3/-6

r=-1/2

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