Question

10_x+y +2_x-y=4;15_x+y -5_x-y=-2

Answer 1

Hiii friend,

10 - X + Y + 2 - X - Y = 4

-2X +12 = 4

-2X = 4-12

-2X = -8

X = -8/-2 = 4

And,

15- X + Y - 5 - X - Y = -2

-2X +10 = -2

-2X = -2-10

-2X = -12

X = 12/2 = 6

HOPE IT WILL HELP YOU..... :-)