r-50=70

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Solution for r-50=70 equation: 


Simplifying
r + -50 = 70

Reorder the terms:
-50 + r = 70

Solving
-50 + r = 70

Solving for variable 'r'.

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

Add '50' to each side of the equation.
-50 + 50 + r = 70 + 50

Combine like terms: -50 + 50 = 0
0 + r = 70 + 50
r = 70 + 50

Combine like terms: 70 + 50 = 120
r = 120

Simplifying
r = 120

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