7y^2-28x=0

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Solution for 7y^2-28x=0 equation: 


Simplifying
7y2 + -28x = 0

Reorder the terms:
-28x + 7y2 = 0

Solving
-28x + 7y2 = 0

Solving for variable 'x'.

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

Add '-7y2' to each side of the equation.
-28x + 7y2 + -7y2 = 0 + -7y2

Combine like terms: 7y2 + -7y2 = 0
-28x + 0 = 0 + -7y2
-28x = 0 + -7y2
Remove the zero:
-28x = -7y2

Divide each side by '-28'.
x = 0.25y2

Simplifying
x = 0.25y2

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