Question

the sum the number is 10 the sum of first two numbers are 9 find 3rd number

Answer 1

hey mate here's ur answer ✌
x+y+z=1
10-9 =1

the 3rd number is 1

hope it wll help you
#be brainly #

Answer 2

Let the numbers  be x , y, z respectively,

According  to question,

sum of numbers  = 10

x + y + z = 10 .............................1

And,

Sum of  first  two number   = 9

x + y  =  9

putting  x+y = 9 in  equation 1

x + y + z = 10

9 + z = 10

z  = 1