2(x+3)-(9+x)=-4

Solution for 2(x+3)-(9+x)=-4 equation:

Simplifying
2(x + 3) + -1(9 + x) = -4

Reorder the terms:
2(3 + x) + -1(9 + x) = -4
(3 * 2 + x * 2) + -1(9 + x) = -4
(6 + 2x) + -1(9 + x) = -4
6 + 2x + (9 * -1 + x * -1) = -4
6 + 2x + (-9 + -1x) = -4

Reorder the terms:
6 + -9 + 2x + -1x = -4

Combine like terms: 6 + -9 = -3
-3 + 2x + -1x = -4

Combine like terms: 2x + -1x = 1x
-3 + 1x = -4

Solving
-3 + 1x = -4

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 1x = -4 + 3

Combine like terms: -3 + 3 = 0
0 + 1x = -4 + 3
1x = -4 + 3

Combine like terms: -4 + 3 = -1
1x = -1

Divide each side by '1'.
x = -1

Simplifying
x = -1