Question

If the point[3,-1] lies on the graph of the equation ax+7y=5. find the value of y.

Answer 1

Answer:

a = 4

Step-by-step explanation:

I assume the question is " .... .  find the value of a."

a × 3 + 7 × (- 1) = 5

3a - 7 = 5

3a = 12 ===> a = 4