Question

sum of 18 and diffence of 6

Answer 1

Answer:

first no. x

and second y

x+y=18 eq. 1

x-y=6 eq. 2

x=6+y (eq.3)

put the value of x in eq. 1

6+y + y = 18

6+2y=18

2y=12

y=6

and eq. 3

x=6+y

x=6+6

x=12, y=6