156=-13r

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Solution for 156=-13r equation:


Simplifying
156 = -13r

Solving
156 = -13r

Solving for variable 'r'.

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

Add '13r' to each side of the equation.
156 + 13r = -13r + 13r

Combine like terms: -13r + 13r = 0
156 + 13r = 0

Add '-156' to each side of the equation.
156 + -156 + 13r = 0 + -156

Combine like terms: 156 + -156 = 0
0 + 13r = 0 + -156
13r = 0 + -156

Combine like terms: 0 + -156 = -156
13r = -156

Divide each side by '13'.
r = -12

Simplifying
r = -12

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