2r-12=27

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Solution for 2r-12=27 equation:


Simplifying
2r + -12 = 27

Reorder the terms:
-12 + 2r = 27

Solving
-12 + 2r = 27

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 = 27 + 12

Combine like terms: -12 + 12 = 0
0 + 2r = 27 + 12
2r = 27 + 12

Combine like terms: 27 + 12 = 39
2r = 39

Divide each side by '2'.
r = 19.5

Simplifying
r = 19.5

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