1.
14.3-0.4x=2.6x+5.6
official answer: 12.43 my answer is 2.9
2.the equation below can be used to solve which of the following word
problems?
2x+15=4x
a. the price of four books is $15 more than the price of two books. what is
the price per book?
b. the price of two books is $15 more than the price of four books. what is
the price per book?
c. the price of four books equals $15. what is the price per book?
d. John bought certain number of $2 books and $4 books for a total of $15.
how many of each book did he buy?
offical answer:b my answer is a
=======================
Can anybody help me and explain? Thanks
