How do I do substitution for this problem

y=4x-9

y=x-3

Solve for x. -43 = x/8 Simplify your answer as much as possible.

If the scale on a map is in/miles = 1/50 find the following actual distances. 1. 4.75 inches 2. 2.5 inches

What is the equation of the trend line in the scatter plot

What is verbal rule and symbolic rule

Which is the prime factorization of 81

1) There are 80 grams of salt in a 32% solution. Find the weight of the solution 2) how much water should be evaporated from a 300 grams of a 20% salt solution to get a 25% salt solution 3) salt was mixed with pure water in a 1:3 proportion.

Use the binomial series series to expand the function as a power series. 3 / ((6+x) ^3)

There are 5 water birds swimming in a pond. If there are 3 ducks and 2 geese at the pond, what fraction of the birds are geese?

16a-24=8 (2a-3) how do I solve this

Mr. Anson bought 3 student tickets that each cost the same amount and an adult ticket that cost $12. In all, Mr. Anson spent more than $36. Which represents the cost of each student ticket?