r-(13)12=3

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Solution for r-(13)12=3 equation: 


Simplifying
r + -1(13) * 12 = 3

Multiply -1 * 13
r + -13 * 12 = 3

Multiply -13 * 12
r + -156 = 3

Reorder the terms:
-156 + r = 3

Solving
-156 + r = 3

Solving for variable 'r'.

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

Add '156' to each side of the equation.
-156 + 156 + r = 3 + 156

Combine like terms: -156 + 156 = 0
0 + r = 3 + 156
r = 3 + 156

Combine like terms: 3 + 156 = 159
r = 159

Simplifying
r = 159

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