-3(r-10)=-18

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Solution for -3(r-10)=-18 equation: 


Simplifying
-3(r + -10) = -18

Reorder the terms:
-3(-10 + r) = -18
(-10 * -3 + r * -3) = -18
(30 + -3r) = -18

Solving
30 + -3r = -18

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + -3r = -18 + -30

Combine like terms: 30 + -30 = 0
0 + -3r = -18 + -30
-3r = -18 + -30

Combine like terms: -18 + -30 = -48
-3r = -48

Divide each side by '-3'.
r = 16

Simplifying
r = 16

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