10r-2=28

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Solution for 10r-2=28 equation: 


Simplifying
10r + -2 = 28

Reorder the terms:
-2 + 10r = 28

Solving
-2 + 10r = 28

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 + 10r = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 10r = 28 + 2
10r = 28 + 2

Combine like terms: 28 + 2 = 30
10r = 30

Divide each side by '10'.
r = 3

Simplifying
r = 3

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