One number is 3 more than twice another. the sum of the numbers is 18. find the two numbers.

The second equation can be modified to:




Plug y in to any of the first two equations, and you get:

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?