5r-2=15

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Solution for 5r-2=15 equation: 


Simplifying
5r + -2 = 15

Reorder the terms:
-2 + 5r = 15

Solving
-2 + 5r = 15

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 5r = 15 + 2

Combine like terms: -2 + 2 = 0
0 + 5r = 15 + 2
5r = 15 + 2

Combine like terms: 15 + 2 = 17
5r = 17

Divide each side by '5'.
r = 3.4

Simplifying
r = 3.4

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