x+x+(x+6)+(x+6)=84

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Solution for x+x+(x+6)+(x+6)=84 equation:


Simplifying
x + x + (x + 6) + (x + 6) = 84

Reorder the terms:
x + x + (6 + x) + (x + 6) = 84

Remove parenthesis around (6 + x)
x + x + 6 + x + (x + 6) = 84

Reorder the terms:
x + x + 6 + x + (6 + x) = 84

Remove parenthesis around (6 + x)
x + x + 6 + x + 6 + x = 84

Reorder the terms:
6 + 6 + x + x + x + x = 84

Combine like terms: 6 + 6 = 12
12 + x + x + x + x = 84

Combine like terms: x + x = 2x
12 + 2x + x + x = 84

Combine like terms: 2x + x = 3x
12 + 3x + x = 84

Combine like terms: 3x + x = 4x
12 + 4x = 84

Solving
12 + 4x = 84

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 84 + -12
4x = 84 + -12

Combine like terms: 84 + -12 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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