r-30=-28

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Solution for r-30=-28 equation: 


Simplifying
r + -30 = -28

Reorder the terms:
-30 + r = -28

Solving
-30 + r = -28

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + r = -28 + 30

Combine like terms: -30 + 30 = 0
0 + r = -28 + 30
r = -28 + 30

Combine like terms: -28 + 30 = 2
r = 2

Simplifying
r = 2

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