z^2-7x-8=0

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Solution for z^2-7x-8=0 equation:


Simplifying
z2 + -7x + -8 = 0

Reorder the terms:
-8 + -7x + z2 = 0

Solving
-8 + -7x + z2 = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + -7x + 8 + z2 = 0 + 8

Reorder the terms:
-8 + 8 + -7x + z2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -7x + z2 = 0 + 8
-7x + z2 = 0 + 8

Combine like terms: 0 + 8 = 8
-7x + z2 = 8

Add '-1z2' to each side of the equation.
-7x + z2 + -1z2 = 8 + -1z2

Combine like terms: z2 + -1z2 = 0
-7x + 0 = 8 + -1z2
-7x = 8 + -1z2

Divide each side by '-7'.
x = -1.142857143 + 0.1428571429z2

Simplifying
x = -1.142857143 + 0.1428571429z2

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