x - y - 2z = 4.
-x + 3y - z = 8
-2x - y - 4z = -1
is a solution to the
the point
system shown.

I’m sure you could google it. my profile picture might

Uneed to add them up 27+18+23=68

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?