Question

0.4x+0.3y=1.7
0.7-0.2y=0.8

Answer 1

Answer:

0.4x + 0.3y =1.7

0.7 - 0.2y = 0.8

---------------------------

0.7 + 0.1y =2.5

y=(2.5 - 0.7/0.1)

y=18

and 0.4 x= 1.7 - (0.3*18)

x =(-)3.7 / 0.4

x=(-) 9.25