x-6+x+2[(x-6)+x]=84

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Solution for x-6+x+2[(x-6)+x]=84 equation:


Simplifying
x + -6 + x + 2[(x + -6) + x] = 84

Reorder the terms:
x + -6 + x + 2[(-6 + x) + x] = 84

Remove parenthesis around (-6 + x)
x + -6 + x + 2[-6 + x + x] = 84

Combine like terms: x + x = 2x
x + -6 + x + 2[-6 + 2x] = 84
x + -6 + x + [-6 * 2 + 2x * 2] = 84
x + -6 + x + [-12 + 4x] = 84

Reorder the terms:
-6 + -12 + x + x + 4x = 84

Combine like terms: -6 + -12 = -18
-18 + x + x + 4x = 84

Combine like terms: x + x = 2x
-18 + 2x + 4x = 84

Combine like terms: 2x + 4x = 6x
-18 + 6x = 84

Solving
-18 + 6x = 84

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 6x = 84 + 18

Combine like terms: -18 + 18 = 0
0 + 6x = 84 + 18
6x = 84 + 18

Combine like terms: 84 + 18 = 102
6x = 102

Divide each side by '6'.
x = 17

Simplifying
x = 17

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