-2[3x+3(x-8)]=-2[3(x+7)]

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Solution for -2[3x+3(x-8)]=-2[3(x+7)] equation:


Simplifying
-2[3x + 3(x + -8)] = -2[3(x + 7)]

Reorder the terms:
-2[3x + 3(-8 + x)] = -2[3(x + 7)]
-2[3x + (-8 * 3 + x * 3)] = -2[3(x + 7)]
-2[3x + (-24 + 3x)] = -2[3(x + 7)]

Reorder the terms:
-2[-24 + 3x + 3x] = -2[3(x + 7)]

Combine like terms: 3x + 3x = 6x
-2[-24 + 6x] = -2[3(x + 7)]
[-24 * -2 + 6x * -2] = -2[3(x + 7)]
[48 + -12x] = -2[3(x + 7)]

Reorder the terms:
48 + -12x = -2[3(7 + x)]
48 + -12x = -2[(7 * 3 + x * 3)]
48 + -12x = -2[(21 + 3x)]
48 + -12x = [21 * -2 + 3x * -2]
48 + -12x = [-42 + -6x]

Solving
48 + -12x = -42 + -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.
48 + -12x + 6x = -42 + -6x + 6x

Combine like terms: -12x + 6x = -6x
48 + -6x = -42 + -6x + 6x

Combine like terms: -6x + 6x = 0
48 + -6x = -42 + 0
48 + -6x = -42

Add '-48' to each side of the equation.
48 + -48 + -6x = -42 + -48

Combine like terms: 48 + -48 = 0
0 + -6x = -42 + -48
-6x = -42 + -48

Combine like terms: -42 + -48 = -90
-6x = -90

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

Simplifying
x = 15

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