-24=3r-(15)

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Solution for -24=3r-(15) equation:


Simplifying
-24 = 3r + -1(15)

Multiply -1 * 15
-24 = 3r + -15

Reorder the terms:
-24 = -15 + 3r

Solving
-24 = -15 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-24 + -3r = -15 + 3r + -3r

Combine like terms: 3r + -3r = 0
-24 + -3r = -15 + 0
-24 + -3r = -15

Add '24' to each side of the equation.
-24 + 24 + -3r = -15 + 24

Combine like terms: -24 + 24 = 0
0 + -3r = -15 + 24
-3r = -15 + 24

Combine like terms: -15 + 24 = 9
-3r = 9

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

Simplifying
r = -3

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