X will be less than 18 or X<18
Answer:
0,-3
Step-by-step explanation:
See the steps below:) you can use the app photo math. you just take a picture of the problem and it gives you the answer and explains the steps:)
The answer is 8. This is because when you substitute 8 with “a” you then solve the problem to see if it is equal to the answer. -4+8=4... -4+4=0 so that is wrong and -4+O=-4 which is also incorrect.
If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.