4x+9y-3z=-1

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Solution for 4x+9y-3z=-1 equation:


Simplifying
4x + 9y + -3z = -1

Solving
4x + 9y + -3z = -1

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
4x + 9y + -9y + -3z = -1 + -9y

Combine like terms: 9y + -9y = 0
4x + 0 + -3z = -1 + -9y
4x + -3z = -1 + -9y

Add '3z' to each side of the equation.
4x + -3z + 3z = -1 + -9y + 3z

Combine like terms: -3z + 3z = 0
4x + 0 = -1 + -9y + 3z
4x = -1 + -9y + 3z

Divide each side by '4'.
x = -0.25 + -2.25y + 0.75z

Simplifying
x = -0.25 + -2.25y + 0.75z

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