84=-3x-6(-2x-5)

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Solution for 84=-3x-6(-2x-5) equation:


Simplifying
84 = -3x + -6(-2x + -5)

Reorder the terms:
84 = -3x + -6(-5 + -2x)
84 = -3x + (-5 * -6 + -2x * -6)
84 = -3x + (30 + 12x)

Reorder the terms:
84 = 30 + -3x + 12x

Combine like terms: -3x + 12x = 9x
84 = 30 + 9x

Solving
84 = 30 + 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.
84 + -9x = 30 + 9x + -9x

Combine like terms: 9x + -9x = 0
84 + -9x = 30 + 0
84 + -9x = 30

Add '-84' to each side of the equation.
84 + -84 + -9x = 30 + -84

Combine like terms: 84 + -84 = 0
0 + -9x = 30 + -84
-9x = 30 + -84

Combine like terms: 30 + -84 = -54
-9x = -54

Divide each side by '-9'.
x = 6

Simplifying
x = 6

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