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r/2+r=7+6r
We move all terms to the left:
r/2+r-(7+6r)=0
We add all the numbers together, and all the variables
r/2+r-(6r+7)=0
We add all the numbers together, and all the variables
r+r/2-(6r+7)=0
We get rid of parentheses
r+r/2-6r-7=0
We multiply all the terms by the denominator
r*2+r-6r*2-7*2=0
We add all the numbers together, and all the variables
r+r*2-6r*2-14=0
Wy multiply elements
r+2r-12r-14=0
We add all the numbers together, and all the variables
-9r-14=0
We move all terms containing r to the left, all other terms to the right
-9r=14
r=14/-9
r=-1+5/9
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