z^2+7x-18=0

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Solution for z^2+7x-18=0 equation:


Simplifying
z2 + 7x + -18 = 0

Reorder the terms:
-18 + 7x + z2 = 0

Solving
-18 + 7x + z2 = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 7x + 18 + z2 = 0 + 18

Reorder the terms:
-18 + 18 + 7x + z2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 7x + z2 = 0 + 18
7x + z2 = 0 + 18

Combine like terms: 0 + 18 = 18
7x + z2 = 18

Add '-1z2' to each side of the equation.
7x + z2 + -1z2 = 18 + -1z2

Combine like terms: z2 + -1z2 = 0
7x + 0 = 18 + -1z2
7x = 18 + -1z2

Divide each side by '7'.
x = 2.571428571 + -0.1428571429z2

Simplifying
x = 2.571428571 + -0.1428571429z2

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