-3(r+2)=-15

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Solution for -3(r+2)=-15 equation: 


Simplifying
-3(r + 2) = -15

Reorder the terms:
-3(2 + r) = -15
(2 * -3 + r * -3) = -15
(-6 + -3r) = -15

Solving
-6 + -3r = -15

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + -3r = -15 + 6

Combine like terms: -6 + 6 = 0
0 + -3r = -15 + 6
-3r = -15 + 6

Combine like terms: -15 + 6 = -9
-3r = -9

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

Simplifying
r = 3

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