9x+4y+7z-4x+5z-8y=

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Solution for 9x+4y+7z-4x+5z-8y= equation:


Simplifying
9x + 4y + 7z + -4x + 5z + -8y = 0

Reorder the terms:
9x + -4x + 4y + -8y + 7z + 5z = 0

Combine like terms: 9x + -4x = 5x
5x + 4y + -8y + 7z + 5z = 0

Combine like terms: 4y + -8y = -4y
5x + -4y + 7z + 5z = 0

Combine like terms: 7z + 5z = 12z
5x + -4y + 12z = 0

Solving
5x + -4y + 12z = 0

Solving for variable 'x'.

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

Add '4y' to each side of the equation.
5x + -4y + 4y + 12z = 0 + 4y

Combine like terms: -4y + 4y = 0
5x + 0 + 12z = 0 + 4y
5x + 12z = 0 + 4y
Remove the zero:
5x + 12z = 4y

Add '-12z' to each side of the equation.
5x + 12z + -12z = 4y + -12z

Combine like terms: 12z + -12z = 0
5x + 0 = 4y + -12z
5x = 4y + -12z

Divide each side by '5'.
x = 0.8y + -2.4z

Simplifying
x = 0.8y + -2.4z

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