Question

2x+3y=12,x-y=1 solve this problem

Answer 1

Step-by-step explanation:

x - y = 1

x = 1 + y_______(1)

2x + 3y = 12

2(1+y) + 3y = 12

2 + 2y + 3y = 12

2 + 5y = 12

5y = 12 - 2

5y = 10

y = 10/5 = 2

Putting value of y in eq. 1

x = 1 + y

x = 1 + 2

x = 3