5r-42=73

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Solution for 5r-42=73 equation: 


Simplifying
5r + -42 = 73

Reorder the terms:
-42 + 5r = 73

Solving
-42 + 5r = 73

Solving for variable 'r'.

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

Add '42' to each side of the equation.
-42 + 42 + 5r = 73 + 42

Combine like terms: -42 + 42 = 0
0 + 5r = 73 + 42
5r = 73 + 42

Combine like terms: 73 + 42 = 115
5r = 115

Divide each side by '5'.
r = 23

Simplifying
r = 23

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