Question

Evaluate the expression 23-a+5b for each a and b variable pair. Match the variable pair with the resulting value of the expression.

a=2 and b=6 A)51
a=-2 and b=-6 B)-5
a=-2 and b=6 C)55
a=2 and b=-6 D)-9

Answer 1

i plug everything in but it doesnt come out right?

Answer 2

Post one example of what you did and I will trouble shoot it.

Answer 3

23-2+5*6=156

Answer 4

But just a minute. Remember that rule about multiplication before addition and subtraction?