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Simplifying
4y2 + -5 = 39
Reorder the terms:
-5 + 4y2 = 39
Solving
-5 + 4y2 = 39
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 4y2 = 39 + 5
Combine like terms: -5 + 5 = 0
0 + 4y2 = 39 + 5
4y2 = 39 + 5
Combine like terms: 39 + 5 = 44
4y2 = 44
Divide each side by '4'.
y2 = 11
Simplifying
y2 = 11
Take the square root of each side:
y = {-3.31662479, 3.31662479}
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