1/2(r+2)=10

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Solution for 1/2(r+2)=10 equation: 



1/2(r+2)=10

We move all terms to the left:

1/2(r+2)-(10)=0



Domain of the equation: 2(r+2)!=0

r∈R



We multiply all the terms by the denominator


-10*2(r+2)+1=0

Wy multiply elements

-20r(r+1=0

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