9x+2y+7z-5x+5z-4z=

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Solution for 9x+2y+7z-5x+5z-4z= equation:


Simplifying
9x + 2y + 7z + -5x + 5z + -4z = 0

Reorder the terms:
9x + -5x + 2y + 7z + 5z + -4z = 0

Combine like terms: 9x + -5x = 4x
4x + 2y + 7z + 5z + -4z = 0

Combine like terms: 7z + 5z = 12z
4x + 2y + 12z + -4z = 0

Combine like terms: 12z + -4z = 8z
4x + 2y + 8z = 0

Solving
4x + 2y + 8z = 0

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
4x + 2y + -2y + 8z = 0 + -2y

Combine like terms: 2y + -2y = 0
4x + 0 + 8z = 0 + -2y
4x + 8z = 0 + -2y
Remove the zero:
4x + 8z = -2y

Add '-8z' to each side of the equation.
4x + 8z + -8z = -2y + -8z

Combine like terms: 8z + -8z = 0
4x + 0 = -2y + -8z
4x = -2y + -8z

Divide each side by '4'.
x = -0.5y + -2z

Simplifying
x = -0.5y + -2z

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