3(a+2b)-3(3a+2b)=

Solution for 3(a+2b)-3(3a+2b)= equation:

Simplifying
3(a + 2b) + -3(3a + 2b) = 0
(a * 3 + 2b * 3) + -3(3a + 2b) = 0
(3a + 6b) + -3(3a + 2b) = 0
3a + 6b + (3a * -3 + 2b * -3) = 0
3a + 6b + (-9a + -6b) = 0

Reorder the terms:
3a + -9a + 6b + -6b = 0

Combine like terms: 3a + -9a = -6a
-6a + 6b + -6b = 0

Combine like terms: 6b + -6b = 0
-6a + 0 = 0
-6a = 0

Solving
-6a = 0

Solving for variable 'a'.

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

Divide each side by '-6'.
a = 0

Simplifying
a = 0