Question

2x+2y=1 and 3x-y=2 by substitution method​

Answer 1

2(x+y)=1

x+y=1/2

x=1/2-y.......1

apply 1 in another equation...

3x-y=2

3(1/2-y)-y=2

3/2-3y-y=2

3/2-4y=2

-4y=2-3/2

-4y=4-3/2

-y=1/2×1/4

-y=1/8

y=-1/8

apply y in 1

x=1/2+1/8

=4/8+1/8

=5/8