6.25=2(3.14)*r

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Solution for 6.25=2(3.14)*r equation:



6.25=2(3.14)*r
We move all terms to the left:
6.25-(2(3.14)*r)=0
We calculate terms in parentheses: -(2(3.14)*r), so:
2(3.14)*r
We multiply parentheses
6.28r
Back to the equation:
-(6.28r)
We add all the numbers together, and all the variables
-(+6.28r)+6.25=0
We get rid of parentheses
-6.28r+6.25=0
We move all terms containing r to the left, all other terms to the right
-6.28r=-6.25
r=-6.25/-6.28
r=1/1.0048

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