Question

x - y = 2
0.2x + 0.4y = 1
The x-coordinate of the solution to the system shown is ___.
1
3
6

Answer 1

let y=-2+x
and plug it into the second equation to find x.

Answer 2

Do you understand, or need me to show you?

Answer 3

can u show me pls

Answer 4

Ok.
0.2x + 0.4(-2+x)=1
0.2x - 0.8 + 0.4x =1
0.6x - 0.8= 1
0.6x = 1.8
x = 3

Answer 5

thanks

Answer 6

np