22.5=10.1+2r

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Solution for 22.5=10.1+2r equation: 


Simplifying
22.5 = 10.1 + 2r

Solving
22.5 = 10.1 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
22.5 + -2r = 10.1 + 2r + -2r

Combine like terms: 2r + -2r = 0
22.5 + -2r = 10.1 + 0
22.5 + -2r = 10.1

Add '-22.5' to each side of the equation.
22.5 + -22.5 + -2r = 10.1 + -22.5

Combine like terms: 22.5 + -22.5 = 0.0
0.0 + -2r = 10.1 + -22.5
-2r = 10.1 + -22.5

Combine like terms: 10.1 + -22.5 = -12.4
-2r = -12.4

Divide each side by '-2'.
r = 6.2

Simplifying
r = 6.2

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