7y^2+30=9

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Solution for 7y^2+30=9 equation:


Simplifying
7y2 + 30 = 9

Reorder the terms:
30 + 7y2 = 9

Solving
30 + 7y2 = 9

Solving for variable 'y'.

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

Add '-30' to each side of the equation.
30 + -30 + 7y2 = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 7y2 = 9 + -30
7y2 = 9 + -30

Combine like terms: 9 + -30 = -21
7y2 = -21

Divide each side by '7'.
y2 = -3

Simplifying
y2 = -3

Reorder the terms:
3 + y2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + y2 = 0

The solution to this equation could not be determined.

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