-3+4/9=r-7

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Solution for -3+4/9=r-7 equation: 



-3+4/9=r-7

We move all terms to the left:

-3+4/9-(r-7)=0

We get rid of parentheses

-r+7-3+4/9=0

We multiply all the terms by the denominator


-r*9+4+7*9-3*9=0

We add all the numbers together, and all the variables

-r*9+40=0

Wy multiply elements

-9r+40=0

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

-9r=-40

r=-40/-9

r=4+4/9

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