Do you have an image attached so I can help you?
If you were to make both x's equivalent, you'd have to multiply the first equation by 2 to get rid of the coefficient, 1/2. However, you'd have to multiply 2 onto -8 as well, therefore the equation would turn into x - 16 = 18. That is not equivalent to x - 8 = 18.
The vintage movie posters and the 2 rock posters could be priced the same, $8.
8 x 4 = 32.
the rap poster could be $6, but with the half-off coupon it comes to $3
32 + 3 = 35
assuming the gift card covers the total cost, this reasoning is correct.
Answer:
English: the diagonal length and probably be 22.2
Spanish: la longitud diagonal y probablemente sea 22,2
He is at -18 feet because you do -28 - 5 which equals -33 after that you do -33 + 15