Question

solve the method by using substitution method x+y=6,x-y=2​

Answer 1

x+y=6----------1

x-y=2-------------2

from 1 x=6-y

substituting x=6-y in 2

6-y-y=2

6-2y=2

-2y=2-6

y=-4/-2

y=2

substituting y=2 in 1

x+2=6

x=6-2

x=4