28+r=48

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Solution for 28+r=48 equation: 


Simplifying
28 + r = 48

Solving
28 + r = 48

Solving for variable 'r'.

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

Add '-28' to each side of the equation.
28 + -28 + r = 48 + -28

Combine like terms: 28 + -28 = 0
0 + r = 48 + -28
r = 48 + -28

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

Simplifying
r = 20

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