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

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

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

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

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

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

Solving
-6 + 3x = -9

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 3x = -9 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = -9 + 6
3x = -9 + 6

Combine like terms: -9 + 6 = -3
3x = -3

Divide each side by '3'.
x = -1

Simplifying
x = -1