7(4r+9)=72

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Solution for 7(4r+9)=72 equation: 



7(4r+9)=72

We move all terms to the left:

7(4r+9)-(72)=0

We multiply parentheses

28r+63-72=0

We add all the numbers together, and all the variables

28r-9=0

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

28r=9

r=9/28

r=9/28

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