If Dy = -15 and D = -5 are the values of the determinant for certain simultaneous equations in x and y, find y
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According to me....
Step-by-step explanation:
DY = -15...... (1)
D = -5
Substitute the value of D in eq. (1)
-5 × Y = -15
Y = (-15) ÷ (-5)
Y = 3
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