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

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


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

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

Combine like terms: 8x + -5x = 3x
3x + 4y + -7y + 5z + 4z = 0

Combine like terms: 4y + -7y = -3y
3x + -3y + 5z + 4z = 0

Combine like terms: 5z + 4z = 9z
3x + -3y + 9z = 0

Solving
3x + -3y + 9z = 0

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.
3x + -3y + 3y + 9z = 0 + 3y

Combine like terms: -3y + 3y = 0
3x + 0 + 9z = 0 + 3y
3x + 9z = 0 + 3y
Remove the zero:
3x + 9z = 3y

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

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

Divide each side by '3'.
x = y + -3z

Simplifying
x = y + -3z

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