-40=4x-2(8-4x)

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Solution for -40=4x-2(8-4x) equation:


Simplifying
-40 = 4x + -2(8 + -4x)
-40 = 4x + (8 * -2 + -4x * -2)
-40 = 4x + (-16 + 8x)

Reorder the terms:
-40 = -16 + 4x + 8x

Combine like terms: 4x + 8x = 12x
-40 = -16 + 12x

Solving
-40 = -16 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-40 + -12x = -16 + 12x + -12x

Combine like terms: 12x + -12x = 0
-40 + -12x = -16 + 0
-40 + -12x = -16

Add '40' to each side of the equation.
-40 + 40 + -12x = -16 + 40

Combine like terms: -40 + 40 = 0
0 + -12x = -16 + 40
-12x = -16 + 40

Combine like terms: -16 + 40 = 24
-12x = 24

Divide each side by '-12'.
x = -2

Simplifying
x = -2

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