Question

solve substitution method 2x-3y=4 , 4x+5y= -3

Answer 1

2x-3y=4......(1) multiple by 4

4x+5y=-3.....(2) multiple by 2

8x-12y=16...

8x+10y=-6...

(-) (-). (+)

____________

-22y=22

y=-1.... putting value in (2)eq

then we get x value
4x+5y=-3
4x+(5*-1)=-3
4x+(-5)=-3
4x-5=-3
4x=-3+5
4x=2
x=1/2




Hope it helpful