6+7(8r-7)=20-7r

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Solution for 6+7(8r-7)=20-7r equation: 



6+7(8r-7)=20-7r

We move all terms to the left:

6+7(8r-7)-(20-7r)=0

We add all the numbers together, and all the variables

7(8r-7)-(-7r+20)+6=0

We multiply parentheses

56r-(-7r+20)-49+6=0

We get rid of parentheses

56r+7r-20-49+6=0

We add all the numbers together, and all the variables

63r-63=0

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

63r=63

r=63/63

r=1

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