Question

13. 2x + 3 = 46, 3x + 5y = 74
Using cross multiplication​

Answer 1

2x + 3y = 46

or, 2x + 3y - 46 = 0

3x + 5y = 74

or, 3x + 5y - 74 = 0

Cross multiplication -

x/(-222 + 230) = y/( - 148 + 138 )

= 1/(10-9)

x = 8 ,,,, y = - 10