Question

0.6x-y= 3.25
2-0.5x= 0.1 y

Answer 1

x=4.15 ,y=-0.75

Explanation:

The given system:

0.6x-y= 3.25

2-0.5x= 0.1y

We rewrite the bottom equation in standard form to get:

0.6x-y= 3.25

0.5x+0.1y=2

Multiply the bottom equation by 10 to get;

0.6x-y= 3.25

5x+y=20

Add both equations to get:

5.6x=23.25

`x = 4.15`

Put x=4.15 in 5x+y=20

`5 * 4.15 + y = 20`

`y = 20 - 20.75 = - 0.75`