Question

2x+y=8,x-y=1 substitution method​

Answer 1

2x+y=8___(1)

x-y=1____(2)

From equation (2),

x=y+1___(3)

Putting x= y+1 in equation (1)

2x+y=8__(1)

2(y+1)+y=8

2y+2+y=8

3y+2=8

3y=6

y=2

Putting y=2 in equation (3)

x=y+1___(3)

x=2+1

x=3.

Hence, the value of x is 3 and y is 2.

Answer 2

Step-by-step explanation:

hope my answer helps you