r(x)=2x+1

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Solution for r(x)=2x+1 equation: 


Simplifying
r(x) = 2x + 1

Multiply r * x
rx = 2x + 1

Reorder the terms:
rx = 1 + 2x

Solving
rx = 1 + 2x

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Divide each side by 'x'.
r = x-1 + 2

Simplifying
r = x-1 + 2

Reorder the terms:
r = 2 + x-1

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