Question

X + Y is equal to 4 and X + 12 Y is equal to 13​

Answer 1

Step-by-step explanation:

x + y= 4

x =4/y.......1

now

x+12y=13.......2

put 1 in 2

4/y + 12y= 13

LCM=Y

4 + 12y.y= 13

12y.y=9

y.y = 9/ 12

y.y = 3/4

by taking square of both sides

y=0.867

Answer 2

Answer:

x=35/11

if y=4-x______eq1

x+12(4-x)=13

x+48-12x=13

-11x=13-48

x=-35/-11

x=35/11