r-(-3)=-8

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Solution for r-(-3)=-8 equation: 


Simplifying
r + -1(-3) = -8

Multiply -1 * -3
r + 3 = -8

Reorder the terms:
3 + r = -8

Solving
3 + r = -8

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + r = -8 + -3

Combine like terms: 3 + -3 = 0
0 + r = -8 + -3
r = -8 + -3

Combine like terms: -8 + -3 = -11
r = -11

Simplifying
r = -11

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