-3r-12=-56

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Solution for -3r-12=-56 equation: 


Simplifying
-3r + -12 = -56

Reorder the terms:
-12 + -3r = -56

Solving
-12 + -3r = -56

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + -3r = -56 + 12

Combine like terms: -12 + 12 = 0
0 + -3r = -56 + 12
-3r = -56 + 12

Combine like terms: -56 + 12 = -44
-3r = -44

Divide each side by '-3'.
r = 14.66666667

Simplifying
r = 14.66666667

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