120=-3x-3(4x-10)

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Solution for 120=-3x-3(4x-10) equation:


Simplifying
120 = -3x + -3(4x + -10)

Reorder the terms:
120 = -3x + -3(-10 + 4x)
120 = -3x + (-10 * -3 + 4x * -3)
120 = -3x + (30 + -12x)

Reorder the terms:
120 = 30 + -3x + -12x

Combine like terms: -3x + -12x = -15x
120 = 30 + -15x

Solving
120 = 30 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
120 + 15x = 30 + -15x + 15x

Combine like terms: -15x + 15x = 0
120 + 15x = 30 + 0
120 + 15x = 30

Add '-120' to each side of the equation.
120 + -120 + 15x = 30 + -120

Combine like terms: 120 + -120 = 0
0 + 15x = 30 + -120
15x = 30 + -120

Combine like terms: 30 + -120 = -90
15x = -90

Divide each side by '15'.
x = -6

Simplifying
x = -6

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