3+r/7=5

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Solution for 3+r/7=5 equation: 



3+r/7=5

We move all terms to the left:

3+r/7-(5)=0

We add all the numbers together, and all the variables

r/7-2=0

We multiply all the terms by the denominator


r-2*7=0

We add all the numbers together, and all the variables

r-14=0

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

r=14

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