120=2(3.14)r+10

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Solution for 120=2(3.14)r+10 equation: 



120=2(3.14)r+10

We move all terms to the left:

120-(2(3.14)r+10)=0



We calculate terms in parentheses: -(2(3.14)r+10), so:

2(3.14)r+10

We multiply parentheses

6.28r+10

Back to the equation:

-(6.28r+10)



We get rid of parentheses

-6.28r-10+120=0

We add all the numbers together, and all the variables

-6.28r+110=0

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

-6.28r=-110

r=-110/-6.28

r=17+1/1.9382716049383

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