4a+3(a-4)=

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

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

Reorder the terms:
4a + 3(-4 + a) = 0
4a + (-4 * 3 + a * 3) = 0
4a + (-12 + 3a) = 0

Reorder the terms:
-12 + 4a + 3a = 0

Combine like terms: 4a + 3a = 7a
-12 + 7a = 0

Solving
-12 + 7a = 0

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 7a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 7a = 0 + 12
7a = 0 + 12

Combine like terms: 0 + 12 = 12
7a = 12

Divide each side by '7'.
a = 1.714285714

Simplifying
a = 1.714285714