Question

solve the method by using substitution method x+y=8,x-y=2​

Answer 1

Answer:

2x=1o X=5

y=3

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Answer 2

Answer:

x+y= 8 .........eq 1

x-y= 2 .........eq 2

from first equation x= 8-y ........eq 3

put equation 3 in equation 2

8-y-y = 2

8-2y= 2

-2y = -6

y= 3 ......eq4

put the value of y in eq 1

x+3= 8

x=5

y= 3 and x= 5