-8-10r=172

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Solution for -8-10r=172 equation: 


Simplifying
-8 + -10r = 172

Solving
-8 + -10r = 172

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -10r = 172 + 8

Combine like terms: -8 + 8 = 0
0 + -10r = 172 + 8
-10r = 172 + 8

Combine like terms: 172 + 8 = 180
-10r = 180

Divide each side by '-10'.
r = -18

Simplifying
r = -18

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