(2,-6);r=7/2

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Solution for (2,-6);r=7/2 equation: 



(2.-6)r=7/2

We move all terms to the left:

(2.-6)r-(7/2)=0

We add all the numbers together, and all the variables

(-4)r-(+7/2)=0

We multiply parentheses

-4r-(+7/2)=0

We get rid of parentheses

-4r-7/2=0

We multiply all the terms by the denominator


-4r*2-7=0

Wy multiply elements

-8r-7=0

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

-8r=7

r=7/-8

r=-7/8

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