Question

3 x -5 y - 4 =0 and 9x=2y+7 solve this equation by using substitution method​

Answer 1

3x-5y=4...(1)

9x-2y=7....(2)

form (1).we get

x=(4+5y)/3...(3)

putting x=(4+5y)/3 in eqution(2)

9(4+5y)/3-2y=7

y=-5/13

and x=9/13