r-11=-10

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Solution for r-11=-10 equation: 


Simplifying
r + -11 = -10

Reorder the terms:
-11 + r = -10

Solving
-11 + r = -10

Solving for variable 'r'.

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

Add '11' to each side of the equation.
-11 + 11 + r = -10 + 11

Combine like terms: -11 + 11 = 0
0 + r = -10 + 11
r = -10 + 11

Combine like terms: -10 + 11 = 1
r = 1

Simplifying
r = 1

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