If x = 2, y = 5 is a solution of the equation 5x + 7y - k = 0, then the value of k is(a) 12
(b) 35
(c) 45
(d) -45
Answers
Answered by
4
Hello !
If x = 2, y = 5 is a solution of the equation 5x + 7y - k = 0, then the value of k is
(a) 12
(b) 35
(c) 45
(d) -45
5x + 7y - k = 0
5 * 2 + 7 * 5 - k = 0
10 + 35 = k
k = 45
Answer (c)
Answered by
0
Answer:
45 is the right answer
Step-by-step explanation:
Similar questions