-4r-3=4+9r

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



-4r-3=4+9r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-4r-9r-4-3=0

We add all the numbers together, and all the variables

-13r-7=0

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

-13r=7

r=7/-13

r=-7/13

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