7(r-9)=7r-63

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Solution for 7(r-9)=7r-63 equation: 



7(r-9)=7r-63

We move all terms to the left:

7(r-9)-(7r-63)=0

We multiply parentheses

7r-(7r-63)-63=0

We get rid of parentheses

7r-7r+63-63=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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