2r-20=28

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Solution for 2r-20=28 equation: 


Simplifying
2r + -20 = 28

Reorder the terms:
-20 + 2r = 28

Solving
-20 + 2r = 28

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + 2r = 28 + 20

Combine like terms: -20 + 20 = 0
0 + 2r = 28 + 20
2r = 28 + 20

Combine like terms: 28 + 20 = 48
2r = 48

Divide each side by '2'.
r = 24

Simplifying
r = 24

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