2r+12=28

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Solution for 2r+12=28 equation: 


Simplifying
2r + 12 = 28

Reorder the terms:
12 + 2r = 28

Solving
12 + 2r = 28

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 = 28 + -12

Combine like terms: 12 + -12 = 0
0 + 2r = 28 + -12
2r = 28 + -12

Combine like terms: 28 + -12 = 16
2r = 16

Divide each side by '2'.
r = 8

Simplifying
r = 8

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