5x^2-kx+7=0

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Solution for 5x^2-kx+7=0 equation:


Simplifying
5x2 + -1kx + 7 = 0

Reorder the terms:
7 + -1kx + 5x2 = 0

Solving
7 + -1kx + 5x2 = 0

Solving for variable 'k'.

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

Add '-7' to each side of the equation.
7 + -1kx + -7 + 5x2 = 0 + -7

Reorder the terms:
7 + -7 + -1kx + 5x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1kx + 5x2 = 0 + -7
-1kx + 5x2 = 0 + -7

Combine like terms: 0 + -7 = -7
-1kx + 5x2 = -7

Add '-5x2' to each side of the equation.
-1kx + 5x2 + -5x2 = -7 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-1kx + 0 = -7 + -5x2
-1kx = -7 + -5x2

Divide each side by '-1x'.
k = 7x-1 + 5x

Simplifying
k = 7x-1 + 5x

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