3(r-15)=

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Solution for 3(r-15)= equation: 


Simplifying
3(r + -15) = 0

Reorder the terms:
3(-15 + r) = 0
(-15 * 3 + r * 3) = 0
(-45 + 3r) = 0

Solving
-45 + 3r = 0

Solving for variable 'r'.

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

Add '45' to each side of the equation.
-45 + 45 + 3r = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 3r = 0 + 45
3r = 0 + 45

Combine like terms: 0 + 45 = 45
3r = 45

Divide each side by '3'.
r = 15

Simplifying
r = 15

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