7r+7+7r=1+9r+8

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Solution for 7r+7+7r=1+9r+8 equation:



7r+7+7r=1+9r+8
We move all terms to the left:
7r+7+7r-(1+9r+8)=0
We add all the numbers together, and all the variables
7r+7r-(9r+9)+7=0
We add all the numbers together, and all the variables
14r-(9r+9)+7=0
We get rid of parentheses
14r-9r-9+7=0
We add all the numbers together, and all the variables
5r-2=0
We move all terms containing r to the left, all other terms to the right
5r=2
r=2/5
r=2/5

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