25-y^2=16

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Solution for 25-y^2=16 equation: 


Simplifying
25 + -1y2 = 16

Solving
25 + -1y2 = 16

Solving for variable 'y'.

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

Add '-25' to each side of the equation.
25 + -25 + -1y2 = 16 + -25

Combine like terms: 25 + -25 = 0
0 + -1y2 = 16 + -25
-1y2 = 16 + -25

Combine like terms: 16 + -25 = -9
-1y2 = -9

Divide each side by '-1'.
y2 = 9

Simplifying
y2 = 9

Take the square root of each side:
y = {-3, 3}

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