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Simplifying
9y2 + -2 = 39
Reorder the terms:
-2 + 9y2 = 39
Solving
-2 + 9y2 = 39
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 9y2 = 39 + 2
Combine like terms: -2 + 2 = 0
0 + 9y2 = 39 + 2
9y2 = 39 + 2
Combine like terms: 39 + 2 = 41
9y2 = 41
Divide each side by '9'.
y2 = 4.555555556
Simplifying
y2 = 4.555555556
Take the square root of each side:
y = {-2.134374746, 2.134374746}
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