9=2[2x+3x-4(x+2)]

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Solution for 9=2[2x+3x-4(x+2)] equation:


Simplifying
9 = 2[2x + 3x + -4(x + 2)]

Reorder the terms:
9 = 2[2x + 3x + -4(2 + x)]
9 = 2[2x + 3x + (2 * -4 + x * -4)]
9 = 2[2x + 3x + (-8 + -4x)]

Reorder the terms:
9 = 2[-8 + 2x + 3x + -4x]

Combine like terms: 2x + 3x = 5x
9 = 2[-8 + 5x + -4x]

Combine like terms: 5x + -4x = 1x
9 = 2[-8 + 1x]
9 = [-8 * 2 + 1x * 2]
9 = [-16 + 2x]

Solving
9 = -16 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + -2x = -16 + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + -2x = -16 + 0
9 + -2x = -16

Add '-9' to each side of the equation.
9 + -9 + -2x = -16 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = -16 + -9
-2x = -16 + -9

Combine like terms: -16 + -9 = -25
-2x = -25

Divide each side by '-2'.
x = 12.5

Simplifying
x = 12.5

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