7-28y^2=0

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


Simplifying
7 + -28y2 = 0

Solving
7 + -28y2 = 0

Solving for variable 'y'.

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

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

Combine like terms: 7 + -7 = 0
0 + -28y2 = 0 + -7
-28y2 = 0 + -7

Combine like terms: 0 + -7 = -7
-28y2 = -7

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

Simplifying
y2 = 0.25

Take the square root of each side:
y = {-0.5, 0.5}

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