4(a+3)=3a

Solution for 4(a+3)=3a equation:

Simplifying
4(a + 3) = 3a

Reorder the terms:
4(3 + a) = 3a
(3 * 4 + a * 4) = 3a
(12 + 4a) = 3a

Solving
12 + 4a = 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12 + 4a + -3a = 3a + -3a

Combine like terms: 4a + -3a = 1a
12 + 1a = 3a + -3a

Combine like terms: 3a + -3a = 0
12 + 1a = 0

Add '-12' to each side of the equation.
12 + -12 + 1a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 1a = 0 + -12
1a = 0 + -12

Combine like terms: 0 + -12 = -12
1a = -12

Divide each side by '1'.
a = -12

Simplifying
a = -12