3r-20=-5

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Solution for 3r-20=-5 equation:


Simplifying
3r + -20 = -5

Reorder the terms:
-20 + 3r = -5

Solving
-20 + 3r = -5

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + 3r = -5 + 20

Combine like terms: -20 + 20 = 0
0 + 3r = -5 + 20
3r = -5 + 20

Combine like terms: -5 + 20 = 15
3r = 15

Divide each side by '3'.
r = 5

Simplifying
r = 5

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