R(x)=7x-2

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Solution for R(x)=7x-2 equation: 



(R)=7R-2

We move all terms to the left:

(R)-(7R-2)=0

We get rid of parentheses

R-7R+2=0

We add all the numbers together, and all the variables

-6R+2=0

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

-6R=-2

R=-2/-6

R=1/3

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