r-70=120

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Solution for r-70=120 equation: 


Simplifying
r + -70 = 120

Reorder the terms:
-70 + r = 120

Solving
-70 + r = 120

Solving for variable 'r'.

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

Add '70' to each side of the equation.
-70 + 70 + r = 120 + 70

Combine like terms: -70 + 70 = 0
0 + r = 120 + 70
r = 120 + 70

Combine like terms: 120 + 70 = 190
r = 190

Simplifying
r = 190

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