Evaluate the expression when a=-7 and y=-6 .

Question

y=3a

Answer 1

When a=-7 and y=-6, we substitute these values into the expression y=3a:

y = 3a
-6 = 3(-7)
-6 = -21

So, when a=-7 and y=-6, the expression y=3a evaluates to -6 = -21.