-2r+9=75

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Solution for -2r+9=75 equation: 


Simplifying
-2r + 9 = 75

Reorder the terms:
9 + -2r = 75

Solving
9 + -2r = 75

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + -2r = 75 + -9

Combine like terms: 9 + -9 = 0
0 + -2r = 75 + -9
-2r = 75 + -9

Combine like terms: 75 + -9 = 66
-2r = 66

Divide each side by '-2'.
r = -33

Simplifying
r = -33

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