2r-3=72

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Solution for 2r-3=72 equation: 


Simplifying
2r + -3 = 72

Reorder the terms:
-3 + 2r = 72

Solving
-3 + 2r = 72

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 2r = 72 + 3

Combine like terms: -3 + 3 = 0
0 + 2r = 72 + 3
2r = 72 + 3

Combine like terms: 72 + 3 = 75
2r = 75

Divide each side by '2'.
r = 37.5

Simplifying
r = 37.5

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