15-2r=45

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Solution for 15-2r=45 equation: 


Simplifying
15 + -2r = 45

Solving
15 + -2r = 45

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + -2r = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -2r = 45 + -15
-2r = 45 + -15

Combine like terms: 45 + -15 = 30
-2r = 30

Divide each side by '-2'.
r = -15

Simplifying
r = -15

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