Solve using substitution method x+y=1,2x-3y=7
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x+y=1
x=1-y............(1)
2x-3y=7...........(2)
here,
2x-3y=7
2(1-y)-3y=7
2-2y-3y=7
2-5y=7
-5y=7-2
-5y=5
y=5/-5
y= -1
Now,
substituting the value of y in equation (1),
we get,
x+y=1
x+(-1)=1
x-1=1
x=1+1
x=2
The value of x is 2 and y is -1
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