-x+7y-z=18

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Solution for -x+7y-z=18 equation:


Simplifying
-1x + 7y + -1z = 18

Solving
-1x + 7y + -1z = 18

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-1x + 7y + -7y + -1z = 18 + -7y

Combine like terms: 7y + -7y = 0
-1x + 0 + -1z = 18 + -7y
-1x + -1z = 18 + -7y

Add 'z' to each side of the equation.
-1x + -1z + z = 18 + -7y + z

Combine like terms: -1z + z = 0
-1x + 0 = 18 + -7y + z
-1x = 18 + -7y + z

Divide each side by '-1'.
x = -18 + 7y + -1z

Simplifying
x = -18 + 7y + -1z

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