3x+20=-8(x+3)

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Solution for 3x+20=-8(x+3) equation: 


Simplifying
3x + 20 = -8(x + 3)

Reorder the terms:
20 + 3x = -8(x + 3)

Reorder the terms:
20 + 3x = -8(3 + x)
20 + 3x = (3 * -8 + x * -8)
20 + 3x = (-24 + -8x)

Solving
20 + 3x = -24 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
20 + 3x + 8x = -24 + -8x + 8x

Combine like terms: 3x + 8x = 11x
20 + 11x = -24 + -8x + 8x

Combine like terms: -8x + 8x = 0
20 + 11x = -24 + 0
20 + 11x = -24

Add '-20' to each side of the equation.
20 + -20 + 11x = -24 + -20

Combine like terms: 20 + -20 = 0
0 + 11x = -24 + -20
11x = -24 + -20

Combine like terms: -24 + -20 = -44
11x = -44

Divide each side by '11'.
x = -4

Simplifying
x = -4

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