-(9r-18)=-36

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Solution for -(9r-18)=-36 equation: 


Simplifying
-1(9r + -18) = -36

Reorder the terms:
-1(-18 + 9r) = -36
(-18 * -1 + 9r * -1) = -36
(18 + -9r) = -36

Solving
18 + -9r = -36

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + -9r = -36 + -18

Combine like terms: 18 + -18 = 0
0 + -9r = -36 + -18
-9r = -36 + -18

Combine like terms: -36 + -18 = -54
-9r = -54

Divide each side by '-9'.
r = 6

Simplifying
r = 6

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