x+3y+4z=15

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Solution for x+3y+4z=15 equation: 


Simplifying
x + 3y + 4z = 15

Solving
x + 3y + 4z = 15

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
x + 3y + -3y + 4z = 15 + -3y

Combine like terms: 3y + -3y = 0
x + 0 + 4z = 15 + -3y
x + 4z = 15 + -3y

Add '-4z' to each side of the equation.
x + 4z + -4z = 15 + -3y + -4z

Combine like terms: 4z + -4z = 0
x + 0 = 15 + -3y + -4z
x = 15 + -3y + -4z

Simplifying
x = 15 + -3y + -4z

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