find the smaller value of y that satisfies the equation y^2 + 2y = 35
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y^2 + 2y - 35 = 0
y^2 + 7y - 5y - 35 = 0
y(y + 7) - 5(y + 7) = 0
(y-5)(y+7) = 0
y = 5, -7
Smaller value: -7
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