3+r/2=7

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Solution for 3+r/2=7 equation: 



3+r/2=7

We move all terms to the left:

3+r/2-(7)=0

We add all the numbers together, and all the variables

r/2-4=0

We multiply all the terms by the denominator


r-4*2=0

We add all the numbers together, and all the variables

r-8=0

We move all terms containing r to the left, all other terms to the right

r=8

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