19-x(x+3)=3x-x(x-6)-5

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Solution for 19-x(x+3)=3x-x(x-6)-5 equation:


Simplifying
19 + -1x(x + 3) = 3x + -1x(x + -6) + -5

Reorder the terms:
19 + -1x(3 + x) = 3x + -1x(x + -6) + -5
19 + (3 * -1x + x * -1x) = 3x + -1x(x + -6) + -5
19 + (-3x + -1x2) = 3x + -1x(x + -6) + -5

Reorder the terms:
19 + -3x + -1x2 = 3x + -1x(-6 + x) + -5
19 + -3x + -1x2 = 3x + (-6 * -1x + x * -1x) + -5
19 + -3x + -1x2 = 3x + (6x + -1x2) + -5

Reorder the terms:
19 + -3x + -1x2 = -5 + 3x + 6x + -1x2

Combine like terms: 3x + 6x = 9x
19 + -3x + -1x2 = -5 + 9x + -1x2

Add 'x2' to each side of the equation.
19 + -3x + -1x2 + x2 = -5 + 9x + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
19 + -3x + 0 = -5 + 9x + -1x2 + x2
19 + -3x = -5 + 9x + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
19 + -3x = -5 + 9x + 0
19 + -3x = -5 + 9x

Solving
19 + -3x = -5 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
19 + -3x + -9x = -5 + 9x + -9x

Combine like terms: -3x + -9x = -12x
19 + -12x = -5 + 9x + -9x

Combine like terms: 9x + -9x = 0
19 + -12x = -5 + 0
19 + -12x = -5

Add '-19' to each side of the equation.
19 + -19 + -12x = -5 + -19

Combine like terms: 19 + -19 = 0
0 + -12x = -5 + -19
-12x = -5 + -19

Combine like terms: -5 + -19 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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