-1/2r=7

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Solution for -1/2r=7 equation: 



-1/2r=7

We move all terms to the left:

-1/2r-(7)=0



Domain of the equation: 2r!=0

r!=0/2

r!=0

r∈R



We multiply all the terms by the denominator


-7*2r-1=0

Wy multiply elements

-14r-1=0

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

-14r=1

r=1/-14

r=-1/14

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