z^2-4x-28=0

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Solution for z^2-4x-28=0 equation:


Simplifying
z2 + -4x + -28 = 0

Reorder the terms:
-28 + -4x + z2 = 0

Solving
-28 + -4x + z2 = 0

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + -4x + 28 + z2 = 0 + 28

Reorder the terms:
-28 + 28 + -4x + z2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -4x + z2 = 0 + 28
-4x + z2 = 0 + 28

Combine like terms: 0 + 28 = 28
-4x + z2 = 28

Add '-1z2' to each side of the equation.
-4x + z2 + -1z2 = 28 + -1z2

Combine like terms: z2 + -1z2 = 0
-4x + 0 = 28 + -1z2
-4x = 28 + -1z2

Divide each side by '-4'.
x = -7 + 0.25z2

Simplifying
x = -7 + 0.25z2

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