2x+x+(x-4)=68

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Solution for 2x+x+(x-4)=68 equation:


Simplifying
2x + x + (x + -4) = 68

Reorder the terms:
2x + x + (-4 + x) = 68

Remove parenthesis around (-4 + x)
2x + x + -4 + x = 68

Reorder the terms:
-4 + 2x + x + x = 68

Combine like terms: 2x + x = 3x
-4 + 3x + x = 68

Combine like terms: 3x + x = 4x
-4 + 4x = 68

Solving
-4 + 4x = 68

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 4x = 68 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 68 + 4
4x = 68 + 4

Combine like terms: 68 + 4 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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