-172=10r+8

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Solution for -172=10r+8 equation:


Simplifying
-172 = 10r + 8

Reorder the terms:
-172 = 8 + 10r

Solving
-172 = 8 + 10r

Solving for variable 'r'.

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

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

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

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

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

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

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

Simplifying
r = -18

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