5r+7r=10

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Solution for 5r+7r=10 equation:



5r+7r=10
We move all terms to the left:
5r+7r-(10)=0
We add all the numbers together, and all the variables
12r-10=0
We move all terms containing r to the left, all other terms to the right
12r=10
r=10/12
r=5/6

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