8-1+15y^2-7-15-14y^2=

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Solution for 8-1+15y^2-7-15-14y^2= equation: 


Simplifying
8 + -1 + 15y2 + -7 + -15 + -14y2 = 0

Reorder the terms:
8 + -1 + -7 + -15 + 15y2 + -14y2 = 0

Combine like terms: 8 + -1 = 7
7 + -7 + -15 + 15y2 + -14y2 = 0

Combine like terms: 7 + -7 = 0
0 + -15 + 15y2 + -14y2 = 0
-15 + 15y2 + -14y2 = 0

Combine like terms: 15y2 + -14y2 = 1y2
-15 + 1y2 = 0

Solving
-15 + 1y2 = 0

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 1y2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 1y2 = 0 + 15
1y2 = 0 + 15

Combine like terms: 0 + 15 = 15
1y2 = 15

Divide each side by '1'.
y2 = 15

Simplifying
y2 = 15

Take the square root of each side:
y = {-3.872983346, 3.872983346}

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