9x+5y+7z-5x+3z-9y=

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Solution for 9x+5y+7z-5x+3z-9y= equation:


Simplifying
9x + 5y + 7z + -5x + 3z + -9y = 0

Reorder the terms:
9x + -5x + 5y + -9y + 7z + 3z = 0

Combine like terms: 9x + -5x = 4x
4x + 5y + -9y + 7z + 3z = 0

Combine like terms: 5y + -9y = -4y
4x + -4y + 7z + 3z = 0

Combine like terms: 7z + 3z = 10z
4x + -4y + 10z = 0

Solving
4x + -4y + 10z = 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.
4x + -4y + 4y + 10z = 0 + 4y

Combine like terms: -4y + 4y = 0
4x + 0 + 10z = 0 + 4y
4x + 10z = 0 + 4y
Remove the zero:
4x + 10z = 4y

Add '-10z' to each side of the equation.
4x + 10z + -10z = 4y + -10z

Combine like terms: 10z + -10z = 0
4x + 0 = 4y + -10z
4x = 4y + -10z

Divide each side by '4'.
x = y + -2.5z

Simplifying
x = y + -2.5z

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