(x-4)+(x+4)+x=138

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Solution for (x-4)+(x+4)+x=138 equation:


Simplifying
(x + -4) + (x + 4) + x = 138

Reorder the terms:
(-4 + x) + (x + 4) + x = 138

Remove parenthesis around (-4 + x)
-4 + x + (x + 4) + x = 138

Reorder the terms:
-4 + x + (4 + x) + x = 138

Remove parenthesis around (4 + x)
-4 + x + 4 + x + x = 138

Reorder the terms:
-4 + 4 + x + x + x = 138

Combine like terms: -4 + 4 = 0
0 + x + x + x = 138
x + x + x = 138

Combine like terms: x + x = 2x
2x + x = 138

Combine like terms: 2x + x = 3x
3x = 138

Solving
3x = 138

Solving for variable 'x'.

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

Divide each side by '3'.
x = 46

Simplifying
x = 46

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