Answer:
(-13, -4)
Step-by-step explanation:
It is about as easy to try the solutions as it is to find them from scratch.
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However, we can determine which one it is by adding twice the second equation to the first.
(-2a +3b) +2(a -4b) = (14) +2(3)
-5b = 20
b = -4 . . . . . . matches the first choice
Answer:
Therefore the total number of ways that the customer can order the smothered steak dinner is 9800.
Step-by-step explanation:
There are 7 side dishes, and types of stake and 8 toppings.
The customer will have a smothered steak dinner.
The smothered steak dinner will consist of steak and 3 different toppings and 4 different side dishes.
The number of ways steak can be selected is =
The number of ways toppings can be chosen is =
The number of ways side dishes can be chosen =
Therefore the total number of ways that the customer can order the smothered steak dinner is
= 5 × 56 × 35 = 9800.