3(a+2)-3(a-1)=

Solution for 3(a+2)-3(a-1)= equation:

Simplifying
3(a + 2) + -3(a + -1) = 0

Reorder the terms:
3(2 + a) + -3(a + -1) = 0
(2 * 3 + a * 3) + -3(a + -1) = 0
(6 + 3a) + -3(a + -1) = 0

Reorder the terms:
6 + 3a + -3(-1 + a) = 0
6 + 3a + (-1 * -3 + a * -3) = 0
6 + 3a + (3 + -3a) = 0

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

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

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

Solving
9 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.