Respuesta :
Answer :
- Value of x is 4
- Value of y is 1
Step-by-step explanation :
Here we have been provided with two equations and we have to solve them by elimination method and calculate the value of x and y.
- x + 2y = 6 (Equation No 1)
- x + y = 5 (Equation No 2)
★ From Equation No 2 :
>> x + y = 5
>> x = 5 - y
★ In Equation No 1 :
Substituting the value of x which we got above as (5 - y) here.
>> x + 2y = 6
>> (5 - y) + 2y = 6
>> 5 - y + 2y = 6
>> 5 + y = 6
>> y = 6 - 5
>> y = 1
★ Finding out value of x :
>> x = 5 - y
>> x = 5 - 1
>> x = 4
[tex]x + 2y = 6 \: \: ...(i)\\ \\ x + y = 5 \: \: ...(ii) [/tex]
from eq (ii)
[tex]x + y = 5 \\ \\ x = 5 - y \: \: ...(iii)[/tex]
putting the value of x in eq (i)
[tex]x + 2y = 6 \\ \\ (5 - y) + 2y = 6 \\ \\ 5 - y + 2y = 6 \\ \\ 5 + y = 6 \\ \\ y = 6 - 5 \\ \\ y = 1.[/tex]
so , putting the value of y in eq (iii)
[tex]x = 5 - y \\ \\ x = 5 - 1 \\ \\ x = 4.[/tex]
The value of x = 4 and y = 1 .