2(3x+5)=9x+9-3x+1
(2)(3x)+(2)(5)=9x+9-3x+1
6x+10=9x+9-3x+1
6x+10=(9x-3x)+(9+1)
6x+10=6x+10
6x-6x+10=6x-6x+10
10=10
10-10=10-10
0=0
All real numbers are solutions.

3 0

3 years ago

J read 147 pages in a book. He has completed 70% of the book. How many more pages does he need to read to finish the book.

aalyn [17]

147/x=100/70 (147=100, 70 is from the percent)
(147/x)*x=(100/70)*x
147=1.4285714285714*x
147/1.4285714285714=x
x=102.9 is your answer

4 0

3 years ago

9. Make Sense and Persevere What percent of the 16-gigabyte hard drive shown is used for photos?

sweet-ann [11.9K]

Answer: [Photo's take up 3.32 gigabytes]

Step-by-step explanation: It breaks down into the used photos area[DIVIDE] 16 gigabytes amungst the photo's

6 0

3 years ago