7(31+19)=r

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Solution for 7(31+19)=r equation: 



7(31+19)=r

We move all terms to the left:

7(31+19)-(r)=0

We add all the numbers together, and all the variables

-r+750=0

We add all the numbers together, and all the variables

-1r+750=0

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

-r=-750

r=-750/-1

r=+750

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