2r-12=5

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Solution for 2r-12=5 equation:


Simplifying
2r + -12 = 5

Reorder the terms:
-12 + 2r = 5

Solving
-12 + 2r = 5

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 2r = 5 + 12

Combine like terms: -12 + 12 = 0
0 + 2r = 5 + 12
2r = 5 + 12

Combine like terms: 5 + 12 = 17
2r = 17

Divide each side by '2'.
r = 8.5

Simplifying
r = 8.5

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