2+r/5=4

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Solution for 2+r/5=4 equation: 



2+r/5=4

We move all terms to the left:

2+r/5-(4)=0

We add all the numbers together, and all the variables

r/5-2=0

We multiply all the terms by the denominator


r-2*5=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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