r-23=-30

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Solution for r-23=-30 equation: 


Simplifying
r + -23 = -30

Reorder the terms:
-23 + r = -30

Solving
-23 + r = -30

Solving for variable 'r'.

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

Add '23' to each side of the equation.
-23 + 23 + r = -30 + 23

Combine like terms: -23 + 23 = 0
0 + r = -30 + 23
r = -30 + 23

Combine like terms: -30 + 23 = -7
r = -7

Simplifying
r = -7

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