r-2=-10

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Solution for r-2=-10 equation: 


Simplifying
r + -2 = -10

Reorder the terms:
-2 + r = -10

Solving
-2 + r = -10

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + r = -10 + 2

Combine like terms: -2 + 2 = 0
0 + r = -10 + 2
r = -10 + 2

Combine like terms: -10 + 2 = -8
r = -8

Simplifying
r = -8

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