2y^2-11=39

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Solution for 2y^2-11=39 equation: 


Simplifying
2y2 + -11 = 39

Reorder the terms:
-11 + 2y2 = 39

Solving
-11 + 2y2 = 39

Solving for variable 'y'.

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

Add '11' to each side of the equation.
-11 + 11 + 2y2 = 39 + 11

Combine like terms: -11 + 11 = 0
0 + 2y2 = 39 + 11
2y2 = 39 + 11

Combine like terms: 39 + 11 = 50
2y2 = 50

Divide each side by '2'.
y2 = 25

Simplifying
y2 = 25

Take the square root of each side:
y = {-5, 5}

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