5r-1=9

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Solution for 5r-1=9 equation: 


Simplifying
5r + -1 = 9

Reorder the terms:
-1 + 5r = 9

Solving
-1 + 5r = 9

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 5r = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 5r = 9 + 1
5r = 9 + 1

Combine like terms: 9 + 1 = 10
5r = 10

Divide each side by '5'.
r = 2

Simplifying
r = 2

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