Question

Find Dy for the simultaneous equation.
x - 2y = -18; 2x - y = 9​

Answer 1

Answer:

1. x- 2y= -18

Ans: 2y= -18+x

2y= -19x

x/y= 19/2

2. 2x- y = 9

Ans: y= 9+2x

y= 20

Correct answer above ✔️

Step-by-step explanation:

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