7a-4a-2-4=

Solution for 7a-4a-2-4= equation:

Simplifying
7a + -4a + -2 + -4 = 0

Reorder the terms:
-2 + -4 + 7a + -4a = 0

Combine like terms: -2 + -4 = -6
-6 + 7a + -4a = 0

Combine like terms: 7a + -4a = 3a
-6 + 3a = 0

Solving
-6 + 3a = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 3a = 0 + 6

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

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

Divide each side by '3'.
a = 2

Simplifying
a = 2