3w+2-a=-4

Solution for 3w+2-a=-4 equation:

Simplifying
3w + 2 + -1a = -4

Reorder the terms:
2 + -1a + 3w = -4

Solving
2 + -1a + 3w = -4

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -1a + -2 + 3w = -4 + -2

Reorder the terms:
2 + -2 + -1a + 3w = -4 + -2

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

Combine like terms: -4 + -2 = -6
-1a + 3w = -6

Add '-3w' to each side of the equation.
-1a + 3w + -3w = -6 + -3w

Combine like terms: 3w + -3w = 0
-1a + 0 = -6 + -3w
-1a = -6 + -3w

Divide each side by '-1'.
a = 6 + 3w

Simplifying
a = 6 + 3w