3r+7r=10

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Solution for 3r+7r=10 equation:



3r+7r=10
We move all terms to the left:
3r+7r-(10)=0
We add all the numbers together, and all the variables
10r-10=0
We move all terms containing r to the left, all other terms to the right
10r=10
r=10/10
r=1

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