-2(x+9)=4x

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Solution for -2(x+9)=4x equation:


Simplifying
-2(x + 9) = 4x

Reorder the terms:
-2(9 + x) = 4x
(9 * -2 + x * -2) = 4x
(-18 + -2x) = 4x

Solving
-18 + -2x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-18 + -2x + -4x = 4x + -4x

Combine like terms: -2x + -4x = -6x
-18 + -6x = 4x + -4x

Combine like terms: 4x + -4x = 0
-18 + -6x = 0

Add '18' to each side of the equation.
-18 + 18 + -6x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -6x = 0 + 18
-6x = 0 + 18

Combine like terms: 0 + 18 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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