12(r+5)+18=-54

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Solution for 12(r+5)+18=-54 equation:


Simplifying
12(r + 5) + 18 = -54

Reorder the terms:
12(5 + r) + 18 = -54
(5 * 12 + r * 12) + 18 = -54
(60 + 12r) + 18 = -54

Reorder the terms:
60 + 18 + 12r = -54

Combine like terms: 60 + 18 = 78
78 + 12r = -54

Solving
78 + 12r = -54

Solving for variable 'r'.

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

Add '-78' to each side of the equation.
78 + -78 + 12r = -54 + -78

Combine like terms: 78 + -78 = 0
0 + 12r = -54 + -78
12r = -54 + -78

Combine like terms: -54 + -78 = -132
12r = -132

Divide each side by '12'.
r = -11

Simplifying
r = -11

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