2r+4=9r-10

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Solution for 2r+4=9r-10 equation: 



2r+4=9r-10

We move all terms to the left:

2r+4-(9r-10)=0

We get rid of parentheses

2r-9r+10+4=0

We add all the numbers together, and all the variables

-7r+14=0

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

-7r=-14

r=-14/-7

r=+2

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