Question

3a-5b=-2,2a+7b=9.a=() b= () x+3y=10,x-3y=-2.x=(),y=() 3x-5y+

Answer 1

3a-5b=-2,2a+7b=9.

a=(1) b= (1)

x+3y=10,x-3y=-2.

x=(4),y=(2)

3x-5y+2=0,9x+6y-8=0,

x=(4/9),y=(2/3)