If u tell me what operation<span> is in between both the x's, then i can solve it for you</span>
Answer:
#3: 84 books
#4: 90 pounds
Step-by-step explanation:
#3: 14*6= 84
#4: 30*3= 90
Hope this helps!!
You can solve this by making a proportion.

you cross multiply and divide to solve this. your answer is 8.
Answer:
2x + 3(8 - 3x) = 3
x = 3
y = -1
Step-by-step explanation:
2x + 3y = 3
y = 8 – 3x
2x + 3(8 - 3x) = 3
2x + 24 - 9x = 3
7x = 21
x = 3
y = 8 - 3(3)
y = -1
Answer: not sure what you were trying to ask but two less than 15 is 13.