3X+12Y+Z=15

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Solution for 3X+12Y+Z=15 equation: 


Simplifying
3X + 12Y + Z = 15

Solving
3X + 12Y + Z = 15

Solving for variable 'X'.

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

Add '-12Y' to each side of the equation.
3X + 12Y + -12Y + Z = 15 + -12Y

Combine like terms: 12Y + -12Y = 0
3X + 0 + Z = 15 + -12Y
3X + Z = 15 + -12Y

Add '-1Z' to each side of the equation.
3X + Z + -1Z = 15 + -12Y + -1Z

Combine like terms: Z + -1Z = 0
3X + 0 = 15 + -12Y + -1Z
3X = 15 + -12Y + -1Z

Divide each side by '3'.
X = 5 + -4Y + -0.3333333333Z

Simplifying
X = 5 + -4Y + -0.3333333333Z

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