5-11r=7(5-2r)

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Solution for 5-11r=7(5-2r) equation: 



5-11r=7(5-2r)

We move all terms to the left:

5-11r-(7(5-2r))=0

We add all the numbers together, and all the variables

-11r-(7(-2r+5))+5=0



We calculate terms in parentheses: -(7(-2r+5)), so:

7(-2r+5)

We multiply parentheses

-14r+35

Back to the equation:

-(-14r+35)



We get rid of parentheses

-11r+14r-35+5=0

We add all the numbers together, and all the variables

3r-30=0

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

3r=30

r=30/3

r=10

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