4-2(x-1)=18

Solution for 4-2(x-1)=18 equation:

Simplifying
4 + -2(x + -1) = 18

Reorder the terms:
4 + -2(-1 + x) = 18
4 + (-1 * -2 + x * -2) = 18
4 + (2 + -2x) = 18

Combine like terms: 4 + 2 = 6
6 + -2x = 18

Solving
6 + -2x = 18

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 = 18 + -6

Combine like terms: 6 + -6 = 0
0 + -2x = 18 + -6
-2x = 18 + -6

Combine like terms: 18 + -6 = 12
-2x = 12

Divide each side by '-2'.
x = -6

Simplifying
x = -6