3(a-2)-4(a+1)=

Solution for 3(a-2)-4(a+1)= equation:

Simplifying
3(a + -2) + -4(a + 1) = 0

Reorder the terms:
3(-2 + a) + -4(a + 1) = 0
(-2 * 3 + a * 3) + -4(a + 1) = 0
(-6 + 3a) + -4(a + 1) = 0

Reorder the terms:
-6 + 3a + -4(1 + a) = 0
-6 + 3a + (1 * -4 + a * -4) = 0
-6 + 3a + (-4 + -4a) = 0

Reorder the terms:
-6 + -4 + 3a + -4a = 0

Combine like terms: -6 + -4 = -10
-10 + 3a + -4a = 0

Combine like terms: 3a + -4a = -1a
-10 + -1a = 0

Solving
-10 + -1a = 0

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + -1a = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1a = 0 + 10
-1a = 0 + 10

Combine like terms: 0 + 10 = 10
-1a = 10

Divide each side by '-1'.
a = -10

Simplifying
a = -10