7x+3y+9z-2x+5z-7y=

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Solution for 7x+3y+9z-2x+5z-7y= equation:


Simplifying
7x + 3y + 9z + -2x + 5z + -7y = 0

Reorder the terms:
7x + -2x + 3y + -7y + 9z + 5z = 0

Combine like terms: 7x + -2x = 5x
5x + 3y + -7y + 9z + 5z = 0

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

Combine like terms: 9z + 5z = 14z
5x + -4y + 14z = 0

Solving
5x + -4y + 14z = 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 + 14z = 0 + 4y

Combine like terms: -4y + 4y = 0
5x + 0 + 14z = 0 + 4y
5x + 14z = 0 + 4y
Remove the zero:
5x + 14z = 4y

Add '-14z' to each side of the equation.
5x + 14z + -14z = 4y + -14z

Combine like terms: 14z + -14z = 0
5x + 0 = 4y + -14z
5x = 4y + -14z

Divide each side by '5'.
x = 0.8y + -2.8z

Simplifying
x = 0.8y + -2.8z

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