She bought 6 books in all because if you divide the whole number of all the books in all which is $32 divide that by 4 so..
32 ÷4=8
so thats just the 4 books then she buys 16 more dollars worth that which you then multiply 4 times 8 which give you 16 so you then add the 4 books to the other 2 books spent on the next day
ANSWER: 6 BOOKS IN ALL
To solve this one-step equation you:
1. Substract 9 in both sides of the equation:
In this step is the mistake as Sara gets as result -4x=29 and the corret result of substract 9 in both sides of the equation is 5x=20.
2. Divide both sides of the equation into 5:
Then, the answer that Sara should found for the equation is x=4
Is that dash supposed to be a minus or no
Answer:
+ 2 for the top row and -10 from bottom row
Step-by-step explanation:
-2 + 2 = 0
0 + 2 = 2
2 + 2 = 4
15 - 10 = 5
5 - 10 = -5
-5 - 10 = -15
