-120=3x-3(-7x-16)

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Solution for -120=3x-3(-7x-16) equation:


Simplifying
-120 = 3x + -3(-7x + -16)

Reorder the terms:
-120 = 3x + -3(-16 + -7x)
-120 = 3x + (-16 * -3 + -7x * -3)
-120 = 3x + (48 + 21x)

Reorder the terms:
-120 = 48 + 3x + 21x

Combine like terms: 3x + 21x = 24x
-120 = 48 + 24x

Solving
-120 = 48 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
-120 + -24x = 48 + 24x + -24x

Combine like terms: 24x + -24x = 0
-120 + -24x = 48 + 0
-120 + -24x = 48

Add '120' to each side of the equation.
-120 + 120 + -24x = 48 + 120

Combine like terms: -120 + 120 = 0
0 + -24x = 48 + 120
-24x = 48 + 120

Combine like terms: 48 + 120 = 168
-24x = 168

Divide each side by '-24'.
x = -7

Simplifying
x = -7

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