Answer:
e = 6
Step-by-step explanation:
10e - 2e - 9 = 39
8e - 9 = 39
8e = 48
e = 6
CHECK:
10(6) - 2(6) - 9 = 39
60 - 12 - 9 = 39
39 = 39
Answer:
2x - 4
Step-by-step explanation:
Expand the brackets.
10x - 2(4x+5) + 6 = 10x - 8x - 10 + 6
Evaluate like terms.
10x - 8x - 10 + 6 = 2x - 4
Unit rate for 3 sandwiches will be $1.65
Unit rate for 4 sandwiches will be $1.68
The 3 sandwiches deal is a better .
