132-r=209

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Solution for 132-r=209 equation: 


Simplifying
132 + -1r = 209

Solving
132 + -1r = 209

Solving for variable 'r'.

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

Add '-132' to each side of the equation.
132 + -132 + -1r = 209 + -132

Combine like terms: 132 + -132 = 0
0 + -1r = 209 + -132
-1r = 209 + -132

Combine like terms: 209 + -132 = 77
-1r = 77

Divide each side by '-1'.
r = -77

Simplifying
r = -77

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