For the simultaneous equation in x and y if Dx = 81,Dy = -99 and D = 9

1.	For the simultaneous equation in x and y if Dx = 81,Dy = -99 and D = 9 then find the value of y
Answer» SOLUTION GIVEN For the simultaneous equation in x and y $\displaystyle\sf{D_x = 81, D_y = - 99, D = 9}$ TO DETERMINE The value of y EVALUATION Here it is given that For the simultaneous equation in x and y $\displaystyle\sf{D_x = 81, D_y = - 99, D = 9}$ Hence $\displaystyle\sf{ x= \frac{D_x}{D} = \frac{81}{9} = 9 }$ $\displaystyle\sf{ y= \frac{D_y}{D} = - \frac{99}{9} = - 11 }$ FINAL ANSWER Hence the required value of y = - 11 ━━━━━━━━━━━━━━━━ Learn more from Brainly :- 1. A is a SQUARE matrix of ORDER 3 having a row of zeros, then the determinant of A is brainly.in/question/28455441 2. If [1 2 3] B = [34], then the order of the matrix B is brainly.in/question/9030091