3x-3y-3z=18

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Solution for 3x-3y-3z=18 equation:


Simplifying
3x + -3y + -3z = 18

Solving
3x + -3y + -3z = 18

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 + -3z = 18 + 3y

Combine like terms: -3y + 3y = 0
3x + 0 + -3z = 18 + 3y
3x + -3z = 18 + 3y

Add '3z' to each side of the equation.
3x + -3z + 3z = 18 + 3y + 3z

Combine like terms: -3z + 3z = 0
3x + 0 = 18 + 3y + 3z
3x = 18 + 3y + 3z

Divide each side by '3'.
x = 6 + y + z

Simplifying
x = 6 + y + z

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