Tickets for the Valentine Dance cost $3 per person or $5 per person. If $475 worth of tickets were sold and 180 people attended the dance, how many couples were there?

step-by-step explanation:

this is not possible to solve with the info given.   you need at least an one angle somewhere.

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

entering that problem on the tube might get you an answer

answer: no, but if it does it's a obvious pattern.

step-by-step explanation: