3x(-x-3)-2=x(-3x-4)+13

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Solution for 3x(-x-3)-2=x(-3x-4)+13 equation:


Simplifying
3x(-1x + -3) + -2 = x(-3x + -4) + 13

Reorder the terms:
3x(-3 + -1x) + -2 = x(-3x + -4) + 13
(-3 * 3x + -1x * 3x) + -2 = x(-3x + -4) + 13
(-9x + -3x2) + -2 = x(-3x + -4) + 13

Reorder the terms:
-2 + -9x + -3x2 = x(-3x + -4) + 13

Reorder the terms:
-2 + -9x + -3x2 = x(-4 + -3x) + 13
-2 + -9x + -3x2 = (-4 * x + -3x * x) + 13
-2 + -9x + -3x2 = (-4x + -3x2) + 13

Reorder the terms:
-2 + -9x + -3x2 = 13 + -4x + -3x2

Add '3x2' to each side of the equation.
-2 + -9x + -3x2 + 3x2 = 13 + -4x + -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-2 + -9x + 0 = 13 + -4x + -3x2 + 3x2
-2 + -9x = 13 + -4x + -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-2 + -9x = 13 + -4x + 0
-2 + -9x = 13 + -4x

Solving
-2 + -9x = 13 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-2 + -9x + 4x = 13 + -4x + 4x

Combine like terms: -9x + 4x = -5x
-2 + -5x = 13 + -4x + 4x

Combine like terms: -4x + 4x = 0
-2 + -5x = 13 + 0
-2 + -5x = 13

Add '2' to each side of the equation.
-2 + 2 + -5x = 13 + 2

Combine like terms: -2 + 2 = 0
0 + -5x = 13 + 2
-5x = 13 + 2

Combine like terms: 13 + 2 = 15
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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