times both sides by 7 (to get rid of the 7 on the left)
Add 5 to both sides
Dan's stamp book has 2 pages with 4 rows of stamps on each page. Each row has 2 stamps. How many stamps are on these pages of Dan's stamp book?
Answer:
Step-by-step explanation:
anser is B not A it is 91
sequence.
-31,-22,-13,-4,[ ? ]