Y^2-9=7y^2

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Solution for Y^2-9=7y^2 equation:


Simplifying
Y2 + -9 = 7y2

Reorder the terms:
-9 + Y2 = 7y2

Solving
-9 + Y2 = 7y2

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 + Y2 = 9 + 7y2

Combine like terms: -9 + 9 = 0
0 + Y2 = 9 + 7y2
Y2 = 9 + 7y2

Simplifying
Y2 = 9 + 7y2

Reorder the terms:
-9 + Y2 + -7y2 = 9 + 7y2 + -9 + -7y2

Reorder the terms:
-9 + Y2 + -7y2 = 9 + -9 + 7y2 + -7y2

Combine like terms: 9 + -9 = 0
-9 + Y2 + -7y2 = 0 + 7y2 + -7y2
-9 + Y2 + -7y2 = 7y2 + -7y2

Combine like terms: 7y2 + -7y2 = 0
-9 + Y2 + -7y2 = 0

The solution to this equation could not be determined.

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