3r+15=75

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Solution for 3r+15=75 equation: 


Simplifying
3r + 15 = 75

Reorder the terms:
15 + 3r = 75

Solving
15 + 3r = 75

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + 3r = 75 + -15

Combine like terms: 15 + -15 = 0
0 + 3r = 75 + -15
3r = 75 + -15

Combine like terms: 75 + -15 = 60
3r = 60

Divide each side by '3'.
r = 20

Simplifying
r = 20

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