Question

a)X + Y=11
X + Y=3

b) X + Y=6
2X + Y=4

c)3X + Y=5
2X + Y=4

d)X - Y=6
X + Y=7

me ajudem pfv​

Answer 1

b .X+Y=6

2x+Y=4

X=6-y

2(6-y)+y=4

12-2y+y=4

12-y=4

-y=4-12

-y=-8

y=8

X=6-8

x=-2