Question

elimination method
0.3x-0.2y=4
0.2x+0.5y= -21/23

Answer 1

gw2011
this one is a little different
elimination method
0.3x-0.2y=4
0.2x+0.5y= -21/23

Answer 2

gw2011 can you help on this one
elimination method
0.3x-0.2y=4
0.2x+0.5y= -21/23

Answer 3

multiply the first equation with 2,
multiply the second equation with 3,
then subtract the first equation from the second, it will eliminate x, then solve for y , substitute y in any one of the equation to get x