3r+5=10r-9

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Solution for 3r+5=10r-9 equation: 



3r+5=10r-9

We move all terms to the left:

3r+5-(10r-9)=0

We get rid of parentheses

3r-10r+9+5=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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