Question

4.If x+y, y+z, z+x are in the ratio 6:7:8 and x + y + z =14 then the value of x is(a) 6(b) 7(c) 8(d) 10​

Answer 1

Answer:

(b)7

Step-by-step explanation:

x+y+z=14.........................(1)

x+y=6...............................(2)

y+z=7...............................(3)

z+x=8...............................(4)

putting equation (3) in (1)

x+y+z=14

x+7=14

x=14-7

x=7

the value of x is 7