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Simplifying
81y2 + -4 = 34
Reorder the terms:
-4 + 81y2 = 34
Solving
-4 + 81y2 = 34
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 81y2 = 34 + 4
Combine like terms: -4 + 4 = 0
0 + 81y2 = 34 + 4
81y2 = 34 + 4
Combine like terms: 34 + 4 = 38
81y2 = 38
Divide each side by '81'.
y2 = 0.4691358025
Simplifying
y2 = 0.4691358025
Take the square root of each side:
y = {-0.684934889, 0.684934889}
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