7y^2+18=4

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Solution for 7y^2+18=4 equation:


Simplifying
7y2 + 18 = 4

Reorder the terms:
18 + 7y2 = 4

Solving
18 + 7y2 = 4

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + 7y2 = 4 + -18

Combine like terms: 18 + -18 = 0
0 + 7y2 = 4 + -18
7y2 = 4 + -18

Combine like terms: 4 + -18 = -14
7y2 = -14

Divide each side by '7'.
y2 = -2

Simplifying
y2 = -2

Reorder the terms:
2 + y2 = -2 + 2

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

The solution to this equation could not be determined.

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