2+9r=7(10-6r)

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Solution for 2+9r=7(10-6r) equation: 



2+9r=7(10-6r)

We move all terms to the left:

2+9r-(7(10-6r))=0

We add all the numbers together, and all the variables

9r-(7(-6r+10))+2=0



We calculate terms in parentheses: -(7(-6r+10)), so:

7(-6r+10)

We multiply parentheses

-42r+70

Back to the equation:

-(-42r+70)



We get rid of parentheses

9r+42r-70+2=0

We add all the numbers together, and all the variables

51r-68=0

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

51r=68

r=68/51

r=1+1/3

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