-r-5=12

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Solution for -r-5=12 equation: 


Simplifying
-1r + -5 = 12

Reorder the terms:
-5 + -1r = 12

Solving
-5 + -1r = 12

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + -1r = 12 + 5

Combine like terms: -5 + 5 = 0
0 + -1r = 12 + 5
-1r = 12 + 5

Combine like terms: 12 + 5 = 17
-1r = 17

Divide each side by '-1'.
r = -17

Simplifying
r = -17

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