2x+20=3[4-2(x+2)]

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Solution for 2x+20=3[4-2(x+2)] equation:


Simplifying
2x + 20 = 3[4 + -2(x + 2)]

Reorder the terms:
20 + 2x = 3[4 + -2(x + 2)]

Reorder the terms:
20 + 2x = 3[4 + -2(2 + x)]
20 + 2x = 3[4 + (2 * -2 + x * -2)]
20 + 2x = 3[4 + (-4 + -2x)]

Combine like terms: 4 + -4 = 0
20 + 2x = 3[0 + -2x]
20 + 2x = 3[-2x]

Remove brackets around [-2x]
20 + 2x = 3 * -2x

Multiply 3 * -2
20 + 2x = -6x

Solving
20 + 2x = -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
20 + 2x + 6x = -6x + 6x

Combine like terms: 2x + 6x = 8x
20 + 8x = -6x + 6x

Combine like terms: -6x + 6x = 0
20 + 8x = 0

Add '-20' to each side of the equation.
20 + -20 + 8x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 8x = 0 + -20
8x = 0 + -20

Combine like terms: 0 + -20 = -20
8x = -20

Divide each side by '8'.
x = -2.5

Simplifying
x = -2.5

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