Ik 80 - 103 is -23 but how am I keep getting 177

Well, first of all, to find 80 - 103, you should subtract 103 from 80, get 23 as the sum, and add a negative since we're originally subtracting a smaller number from a bigger number.

-23

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had