4X+2X+X=12-X

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Solution for 4X+2X+X=12-X equation:


Simplifying
4X + 2X + X = 12 + -1X

Combine like terms: 4X + 2X = 6X
6X + X = 12 + -1X

Combine like terms: 6X + X = 7X
7X = 12 + -1X

Solving
7X = 12 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
7X + X = 12 + -1X + X

Combine like terms: 7X + X = 8X
8X = 12 + -1X + X

Combine like terms: -1X + X = 0
8X = 12 + 0
8X = 12

Divide each side by '8'.
X = 1.5

Simplifying
X = 1.5

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