8-x(5x-9)=3x-5x(x+3)

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Solution for 8-x(5x-9)=3x-5x(x+3) equation:


Simplifying
8 + -1x(5x + -9) = 3x + -5x(x + 3)

Reorder the terms:
8 + -1x(-9 + 5x) = 3x + -5x(x + 3)
8 + (-9 * -1x + 5x * -1x) = 3x + -5x(x + 3)
8 + (9x + -5x2) = 3x + -5x(x + 3)

Reorder the terms:
8 + 9x + -5x2 = 3x + -5x(3 + x)
8 + 9x + -5x2 = 3x + (3 * -5x + x * -5x)
8 + 9x + -5x2 = 3x + (-15x + -5x2)

Combine like terms: 3x + -15x = -12x
8 + 9x + -5x2 = -12x + -5x2

Add '5x2' to each side of the equation.
8 + 9x + -5x2 + 5x2 = -12x + -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
8 + 9x + 0 = -12x + -5x2 + 5x2
8 + 9x = -12x + -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
8 + 9x = -12x + 0
8 + 9x = -12x

Solving
8 + 9x = -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
8 + 9x + 12x = -12x + 12x

Combine like terms: 9x + 12x = 21x
8 + 21x = -12x + 12x

Combine like terms: -12x + 12x = 0
8 + 21x = 0

Add '-8' to each side of the equation.
8 + -8 + 21x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 21x = 0 + -8
21x = 0 + -8

Combine like terms: 0 + -8 = -8
21x = -8

Divide each side by '21'.
x = -0.380952381

Simplifying
x = -0.380952381

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