-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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