r-30=75

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Solution for r-30=75 equation: 


Simplifying
r + -30 = 75

Reorder the terms:
-30 + r = 75

Solving
-30 + r = 75

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 = 75 + 30

Combine like terms: -30 + 30 = 0
0 + r = 75 + 30
r = 75 + 30

Combine like terms: 75 + 30 = 105
r = 105

Simplifying
r = 105

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