-3(2x-1)=-42

Solution for -3(2x-1)=-42 equation:

Simplifying
-3(2x + -1) = -42

Reorder the terms:
-3(-1 + 2x) = -42
(-1 * -3 + 2x * -3) = -42
(3 + -6x) = -42

Solving
3 + -6x = -42

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 + -6x = -42 + -3

Combine like terms: 3 + -3 = 0
0 + -6x = -42 + -3
-6x = -42 + -3

Combine like terms: -42 + -3 = -45
-6x = -45

Divide each side by '-6'.
x = 7.5

Simplifying
x = 7.5