r+5=17

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Solution for r+5=17 equation: 


Simplifying
r + 5 = 17

Reorder the terms:
5 + r = 17

Solving
5 + r = 17

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + r = 17 + -5

Combine like terms: 5 + -5 = 0
0 + r = 17 + -5
r = 17 + -5

Combine like terms: 17 + -5 = 12
r = 12

Simplifying
r = 12

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