r/7=4.2

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Solution for r/7=4.2 equation: 



r/7=4.2

We move all terms to the left:

r/7-(4.2)=0

We add all the numbers together, and all the variables

r/7-4.2=0

We multiply all the terms by the denominator


r-(4.2)*7=0

We add all the numbers together, and all the variables

r-29.4=0

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

r=29.4

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