3t-9r+6r+15t=

Solution for 3t-9r+6r+15t= equation:

Simplifying
3t + -9r + 6r + 15t = 0

Reorder the terms:
-9r + 6r + 3t + 15t = 0

Combine like terms: -9r + 6r = -3r
-3r + 3t + 15t = 0

Combine like terms: 3t + 15t = 18t
-3r + 18t = 0

Solving
-3r + 18t = 0

Solving for variable 'r'.

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

Add '-18t' to each side of the equation.
-3r + 18t + -18t = 0 + -18t

Combine like terms: 18t + -18t = 0
-3r + 0 = 0 + -18t
-3r = 0 + -18t
Remove the zero:
-3r = -18t

Divide each side by '-3'.
r = 6t

Simplifying
r = 6t