(-10y^2-14)-(-5y^2+7)=0

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Solution for (-10y^2-14)-(-5y^2+7)=0 equation:


Simplifying
(-10y2 + -14) + -1(-5y2 + 7) = 0

Reorder the terms:
(-14 + -10y2) + -1(-5y2 + 7) = 0

Remove parenthesis around (-14 + -10y2)
-14 + -10y2 + -1(-5y2 + 7) = 0

Reorder the terms:
-14 + -10y2 + -1(7 + -5y2) = 0
-14 + -10y2 + (7 * -1 + -5y2 * -1) = 0
-14 + -10y2 + (-7 + 5y2) = 0

Reorder the terms:
-14 + -7 + -10y2 + 5y2 = 0

Combine like terms: -14 + -7 = -21
-21 + -10y2 + 5y2 = 0

Combine like terms: -10y2 + 5y2 = -5y2
-21 + -5y2 = 0

Solving
-21 + -5y2 = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + -5y2 = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -5y2 = 0 + 21
-5y2 = 0 + 21

Combine like terms: 0 + 21 = 21
-5y2 = 21

Divide each side by '-5'.
y2 = -4.2

Simplifying
y2 = -4.2

Reorder the terms:
4.2 + y2 = -4.2 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
4.2 + y2 = 0.0

The solution to this equation could not be determined.

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