Question

For what value of c the linear equation 2x+cy=8,has equal value of x and y for its solution

Answer 1

Answer:

2x + cy = 8

for equal value of x ,y

2x + cx = 8

c= 8 -2x/ x

Answer 2

Answer:

(8-2a)/a

Explanation:

2x+cy=8

(x=y=a)

therefore, 2*a+ca=8

ca=8-2*a

c=(8-2*a)/a

Hope it might be of some help!!!