Question

What is the value of D for solving simultaneous equations x +y = 3 and 3x - 2y = 4.​

Answer 1

Answer:

3x+2y =8

4x-y =7

Multypying equation 2 by 2 and adding with equation 1,we get

11x=22

or,x=2

Putting the value of x in equation 1,we get

3*2+2y=8

or,6+2y=8

or,y=1