X+2x+x+6=78

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Solution for X+2x+x+6=78 equation:


Simplifying
X + 2x + x + 6 = 78

Reorder the terms:
6 + X + 2x + x = 78

Combine like terms: 2x + x = 3x
6 + X + 3x = 78

Solving
6 + X + 3x = 78

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + X + -6 + 3x = 78 + -6

Reorder the terms:
6 + -6 + X + 3x = 78 + -6

Combine like terms: 6 + -6 = 0
0 + X + 3x = 78 + -6
X + 3x = 78 + -6

Combine like terms: 78 + -6 = 72
X + 3x = 72

Add '-3x' to each side of the equation.
X + 3x + -3x = 72 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 72 + -3x
X = 72 + -3x

Simplifying
X = 72 + -3x

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