20r=7(5r+6)-14r

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Solution for 20r=7(5r+6)-14r equation: 



20r=7(5r+6)-14r

We move all terms to the left:

20r-(7(5r+6)-14r)=0



We calculate terms in parentheses: -(7(5r+6)-14r), so:

7(5r+6)-14r

We add all the numbers together, and all the variables

-14r+7(5r+6)

We multiply parentheses

-14r+35r+42

We add all the numbers together, and all the variables

21r+42

Back to the equation:

-(21r+42)



We get rid of parentheses

20r-21r-42=0

We add all the numbers together, and all the variables

-1r-42=0

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

-r=42

r=42/-1

r=-42

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