x+2x+x+4=72

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Solution for x+2x+x+4=72 equation:


Simplifying
x + 2x + x + 4 = 72

Reorder the terms:
4 + x + 2x + x = 72

Combine like terms: x + 2x = 3x
4 + 3x + x = 72

Combine like terms: 3x + x = 4x
4 + 4x = 72

Solving
4 + 4x = 72

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 = 72 + -4

Combine like terms: 4 + -4 = 0
0 + 4x = 72 + -4
4x = 72 + -4

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

Divide each side by '4'.
x = 17

Simplifying
x = 17

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