9y^2-1=35

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Solution for 9y^2-1=35 equation: 


Simplifying
9y2 + -1 = 35

Reorder the terms:
-1 + 9y2 = 35

Solving
-1 + 9y2 = 35

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 9y2 = 35 + 1

Combine like terms: -1 + 1 = 0
0 + 9y2 = 35 + 1
9y2 = 35 + 1

Combine like terms: 35 + 1 = 36
9y2 = 36

Divide each side by '9'.
y2 = 4

Simplifying
y2 = 4

Take the square root of each side:
y = {-2, 2}

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