Question

i) 4x + 3y = 3; 7x + 3y = -46 (by elimination method)​

Answer 1

Step-by-step explanation:

2x + y = 3

6x + 3y = 9 (equation 1)

7x - 3y = 4 (equation 2)

Adding equations (1) and (2)

13x = 13

x = 1

Substitute x = 1 into (1)

6(1) + 3y = 9

6 + 3y = 9

y = 1

(x, y) = (1, 1)