7+r/2=12

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Solution for 7+r/2=12 equation:



7+r/2=12
We move all terms to the left:
7+r/2-(12)=0
We add all the numbers together, and all the variables
r/2-5=0
We multiply all the terms by the denominator
r-5*2=0
We add all the numbers together, and all the variables
r-10=0
We move all terms containing r to the left, all other terms to the right
r=10

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