2(x-3)-4x=-20

Solution for 2(x-3)-4x=-20 equation:

Simplifying
2(x + -3) + -4x = -20

Reorder the terms:
2(-3 + x) + -4x = -20
(-3 * 2 + x * 2) + -4x = -20
(-6 + 2x) + -4x = -20

Combine like terms: 2x + -4x = -2x
-6 + -2x = -20

Solving
-6 + -2x = -20

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 + -2x = -20 + 6

Combine like terms: -6 + 6 = 0
0 + -2x = -20 + 6
-2x = -20 + 6

Combine like terms: -20 + 6 = -14
-2x = -14

Divide each side by '-2'.
x = 7

Simplifying
x = 7