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

Answers (1)

Answer:

c=\frac{8-2y}{y}(y\neq 0)

Solution:

The given linear equation is

2x + cy = 8 … (i)

and it is also given that the value of x and y is equal

i.e., x = y

Putting x = y in the equation (i) we get

2y + cy = 8

cy = 8– 2y

c=\frac{8-2y}{y}(y\neq 0)

Hence the correct answer is c=\frac{8-2y}{y}(y\neq 0)

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