3x+72-12x+5x=3(-4-2x)

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Solution for 3x+72-12x+5x=3(-4-2x) equation:


Simplifying
3x + 72 + -12x + 5x = 3(-4 + -2x)

Reorder the terms:
72 + 3x + -12x + 5x = 3(-4 + -2x)

Combine like terms: 3x + -12x = -9x
72 + -9x + 5x = 3(-4 + -2x)

Combine like terms: -9x + 5x = -4x
72 + -4x = 3(-4 + -2x)
72 + -4x = (-4 * 3 + -2x * 3)
72 + -4x = (-12 + -6x)

Solving
72 + -4x = -12 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
72 + -4x + 6x = -12 + -6x + 6x

Combine like terms: -4x + 6x = 2x
72 + 2x = -12 + -6x + 6x

Combine like terms: -6x + 6x = 0
72 + 2x = -12 + 0
72 + 2x = -12

Add '-72' to each side of the equation.
72 + -72 + 2x = -12 + -72

Combine like terms: 72 + -72 = 0
0 + 2x = -12 + -72
2x = -12 + -72

Combine like terms: -12 + -72 = -84
2x = -84

Divide each side by '2'.
x = -42

Simplifying
x = -42

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