-2(x+4)=42

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


Simplifying
-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 = 50
-2x = 50

Divide each side by '-2'.
x = -25

Simplifying
x = -25

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