3.5=2r/7

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Solution for 3.5=2r/7 equation: 



3.5=2r/7

We move all terms to the left:

3.5-(2r/7)=0

We add all the numbers together, and all the variables

-(+2r/7)+3.5=0

We get rid of parentheses

-2r/7+3.5=0

We multiply all the terms by the denominator


-2r+(3.5)*7=0

We add all the numbers together, and all the variables

-2r+24.5=0

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

-2r=-24.5

r=-24.5/-2

r=12+0.5/2

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