Answer:
If you have a perpendicular shape, like a plus sign, usually what I was taught, right whole side of the "plus" sign are negative. The left side is positive. I think it's how you say it.
Step-by-step explanation:
We need the values to answer this question
Susan has 9 books
Step-by-step explanation:
- Step 1: Given the relationship between the number of books that Susan and Marge has, find x.
4 + 2x = 22
2x = 18
x = 18/2 = 9
⇒ Number of books that Susan has is 9
Answer:
Infinitely many solutions
Step-by-step explanation:
7x - 11 = 5(x - 2) + 2x - 1
7x - 11 = 10x - 10 + 2x - 1
7x - 11 = 7x - 11
No matter what number you plugin, it will always be equal.
Answer: 8,000
Step-by-step explanation: