Question

Solve the following by substitution method:
x by 2 + y=0 ; 7 by x by 1 +y by 2= 10

Answer 1

given x/2+y=0......( 1 equation)
as my method x=0,y=0
( equation 1 ) x/2+y=0
so
..7/x+1+y+2
7+1+2=10