4(x+5)=-16(x+4)

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Solution for 4(x+5)=-16(x+4) equation:


Simplifying
4(x + 5) = -16(x + 4)

Reorder the terms:
4(5 + x) = -16(x + 4)
(5 * 4 + x * 4) = -16(x + 4)
(20 + 4x) = -16(x + 4)

Reorder the terms:
20 + 4x = -16(4 + x)
20 + 4x = (4 * -16 + x * -16)
20 + 4x = (-64 + -16x)

Solving
20 + 4x = -64 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
20 + 4x + 16x = -64 + -16x + 16x

Combine like terms: 4x + 16x = 20x
20 + 20x = -64 + -16x + 16x

Combine like terms: -16x + 16x = 0
20 + 20x = -64 + 0
20 + 20x = -64

Add '-20' to each side of the equation.
20 + -20 + 20x = -64 + -20

Combine like terms: 20 + -20 = 0
0 + 20x = -64 + -20
20x = -64 + -20

Combine like terms: -64 + -20 = -84
20x = -84

Divide each side by '20'.
x = -4.2

Simplifying
x = -4.2

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