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Simplifying
25y2 = 81
Solving
25y2 = 81
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Divide each side by '25'.
y2 = 3.24
Simplifying
y2 = 3.24
Take the square root of each side:
y = {-1.8, 1.8}
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