r-5=-7

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Solution for r-5=-7 equation: 


Simplifying
r + -5 = -7

Reorder the terms:
-5 + r = -7

Solving
-5 + r = -7

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 + r = -7 + 5

Combine like terms: -5 + 5 = 0
0 + r = -7 + 5
r = -7 + 5

Combine like terms: -7 + 5 = -2
r = -2

Simplifying
r = -2

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