5y^2-9=2

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Solution for 5y^2-9=2 equation:


Simplifying
5y2 + -9 = 2

Reorder the terms:
-9 + 5y2 = 2

Solving
-9 + 5y2 = 2

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 5y2 = 2 + 9

Combine like terms: -9 + 9 = 0
0 + 5y2 = 2 + 9
5y2 = 2 + 9

Combine like terms: 2 + 9 = 11
5y2 = 11

Divide each side by '5'.
y2 = 2.2

Simplifying
y2 = 2.2

Take the square root of each side:
y = {-1.483239697, 1.483239697}

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