r-(-7)=-16

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Solution for r-(-7)=-16 equation: 


Simplifying
r + -1(-7) = -16

Multiply -1 * -7
r + 7 = -16

Reorder the terms:
7 + r = -16

Solving
7 + r = -16

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + r = -16 + -7

Combine like terms: 7 + -7 = 0
0 + r = -16 + -7
r = -16 + -7

Combine like terms: -16 + -7 = -23
r = -23

Simplifying
r = -23

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