3(a+1)+4a=

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

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

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

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

Solving
3 + 7a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 7a = 0 + -3

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

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

Divide each side by '7'.
a = -0.4285714286

Simplifying
a = -0.4285714286