4(5r-7)=10r+2

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Solution for 4(5r-7)=10r+2 equation: 



4(5r-7)=10r+2

We move all terms to the left:

4(5r-7)-(10r+2)=0

We multiply parentheses

20r-(10r+2)-28=0

We get rid of parentheses

20r-10r-2-28=0

We add all the numbers together, and all the variables

10r-30=0

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

10r=30

r=30/10

r=3

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