Question

solve 0.3x + 0.2y = 1.0 & 0.2x + 0.3y = 3.0 by elimination method​

Answer 1

Answer:

x=3. y=2

given

0.3x + 0.2y = 1.0

0.2x + 0.3y =3.0

0.2 (1.0-0.2/0.3) + 0.3y = 3.0

y=2

0.3x + 0.3(2)=1.0

0.2x=1.0-0.6

x=1.0-0.6/0.2

x=2

so x=2. ,. y=2