Solve for y_1
y_{1}=-25
Assign y_1
y_{1}≔-25
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y_{1}=9\left(-\frac{25}{9}\right)
Divide 9 by -\frac{9}{25} by multiplying 9 by the reciprocal of -\frac{9}{25}.
y_{1}=-25
Cancel out 9 and 9.
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