8r=10+9r

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Solution for 8r=10+9r equation:



8r=10+9r
We move all terms to the left:
8r-(10+9r)=0
We add all the numbers together, and all the variables
8r-(9r+10)=0
We get rid of parentheses
8r-9r-10=0
We add all the numbers together, and all the variables
-1r-10=0
We move all terms containing r to the left, all other terms to the right
-r=10
r=10/-1
r=-10

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