9r+4=54-r

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Solution for 9r+4=54-r equation: 



9r+4=54-r

We move all terms to the left:

9r+4-(54-r)=0

We add all the numbers together, and all the variables

9r-(-1r+54)+4=0

We get rid of parentheses

9r+1r-54+4=0

We add all the numbers together, and all the variables

10r-50=0

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

10r=50

r=50/10

r=5

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