2(x-(-4))=42

Solution for 2(x-(-4))=42 equation:

Simplifying
2(x + -1(-4)) = 42

Multiply -1 * -4
2(x + 4) = 42

Reorder the terms:
2(4 + x) = 42
(4 * 2 + x * 2) = 42
(8 + 2x) = 42

Solving
8 + 2x = 42

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 2x = 42 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 42 + -8
2x = 42 + -8

Combine like terms: 42 + -8 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17