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Simplifying
80 + -125y2 = 0
Solving
80 + -125y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-80' to each side of the equation.
80 + -80 + -125y2 = 0 + -80
Combine like terms: 80 + -80 = 0
0 + -125y2 = 0 + -80
-125y2 = 0 + -80
Combine like terms: 0 + -80 = -80
-125y2 = -80
Divide each side by '-125'.
y2 = 0.64
Simplifying
y2 = 0.64
Take the square root of each side:
y = {-0.8, 0.8}
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