Question

if x = - k and y =5/2 is a solution o x+ 4y-7 =0 find the value of k step by step ​

Answer 1

as x = - k

and y = 5/2 is the solution of equation

=> x² + 4y - 7 = 0

=> Hence , it satisfies the equation .

therefore ,

=> -k + 4 (5/2) - 7 = 0

=> -k + 10 - 7 = 0

=> -k + 3 = 0

=> k = 3

is your answer