7r-2=117

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Solution for 7r-2=117 equation: 


Simplifying
7r + -2 = 117

Reorder the terms:
-2 + 7r = 117

Solving
-2 + 7r = 117

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 7r = 117 + 2

Combine like terms: -2 + 2 = 0
0 + 7r = 117 + 2
7r = 117 + 2

Combine like terms: 117 + 2 = 119
7r = 119

Divide each side by '7'.
r = 17

Simplifying
r = 17

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