1X-(2X)-(4X)=123

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Solution for 1X-(2X)-(4X)=123 equation: 


Simplifying
1X + -1(2X) + -1(4X) = 123

Remove parenthesis around (2X)
1X + -1 * 2X + -1(4X) = 123

Multiply -1 * 2
1X + -2X + -1(4X) = 123

Remove parenthesis around (4X)
1X + -2X + -1 * 4X = 123

Multiply -1 * 4
1X + -2X + -4X = 123

Combine like terms: 1X + -2X = -1X
-1X + -4X = 123

Combine like terms: -1X + -4X = -5X
-5X = 123

Solving
-5X = 123

Solving for variable 'X'.

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

Divide each side by '-5'.
X = -24.6

Simplifying
X = -24.6

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