20=-3(x+2)-4

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


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

Reorder the terms:
20 = -3(2 + x) + -4
20 = (2 * -3 + x * -3) + -4
20 = (-6 + -3x) + -4

Reorder the terms:
20 = -6 + -4 + -3x

Combine like terms: -6 + -4 = -10
20 = -10 + -3x

Solving
20 = -10 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
20 + 3x = -10 + -3x + 3x

Combine like terms: -3x + 3x = 0
20 + 3x = -10 + 0
20 + 3x = -10

Add '-20' to each side of the equation.
20 + -20 + 3x = -10 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = -10 + -20
3x = -10 + -20

Combine like terms: -10 + -20 = -30
3x = -30

Divide each side by '3'.
x = -10

Simplifying
x = -10

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