-144=9r

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Solution for -144=9r equation:


Simplifying
-144 = 9r

Solving
-144 = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-144 + -9r = 9r + -9r

Combine like terms: 9r + -9r = 0
-144 + -9r = 0

Add '144' to each side of the equation.
-144 + 144 + -9r = 0 + 144

Combine like terms: -144 + 144 = 0
0 + -9r = 0 + 144
-9r = 0 + 144

Combine like terms: 0 + 144 = 144
-9r = 144

Divide each side by '-9'.
r = -16

Simplifying
r = -16

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