3a-(2a+4)=

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

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

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

Reorder the terms:
-4 + 3a + -2a = 0

Combine like terms: 3a + -2a = 1a
-4 + 1a = 0

Solving
-4 + 1a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 1a = 0 + 4

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

Combine like terms: 0 + 4 = 4
1a = 4

Divide each side by '1'.
a = 4

Simplifying
a = 4