For what value of c, the linear equation 2x + cy = 8 has equal values of x and y for its solution.
Given: y = x is a solution to the equation 2x + cy = 8
Put x = y
We have: 2y + cy = 8
Or, cy = 8 − 2y
c = `8/y - 2 = 8/x - 2`
Concept: Solution of a Linear Equation
Is there an error in this question or solution?