20-2(x-4)=-42

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Solution for 20-2(x-4)=-42 equation:


Simplifying
20 + -2(x + -4) = -42

Reorder the terms:
20 + -2(-4 + x) = -42
20 + (-4 * -2 + x * -2) = -42
20 + (8 + -2x) = -42

Combine like terms: 20 + 8 = 28
28 + -2x = -42

Solving
28 + -2x = -42

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + -2x = -42 + -28

Combine like terms: 28 + -28 = 0
0 + -2x = -42 + -28
-2x = -42 + -28

Combine like terms: -42 + -28 = -70
-2x = -70

Divide each side by '-2'.
x = 35

Simplifying
x = 35

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