Question

In the equation 2x+y=7 fine tha values of( i)y if x=2 ans (ii)x if y=-1.

Answer 1

Heya__❤

(i) Substituting value of 'x' in eq. , we get__

2×2+y=7

4+y=7

y=7-4

y=3

(ii) Substituting value of 'y' in eq. , we get__

2x+(-1)=7

2x-1=7

2x=7+1

2x=8

x=4

Answer:- (i) y=3

(ii) x=4

Hope it helps...