-3; -2 3/10; -2 2/5; -2 1/2
Your welcome!
(-2x+10Y)(4X-6Y) can be simplified as -8x+-60Y because you have to combine like terms such as -2x and 4x.
Start by finding 7% of the $23.20:

Now add this to $23.20:

Now, let's find 18% of this new total with tax to find the tip amount:

This is the tip amount. And finally, let's add this to the 24.824:

Not sure if you were given any instructions about rounding, but Ana's cost will be around $29.29.
Hope this helps.
Answer: -2
Step-by-step explanation:
you need to isolate x.
to do that, you first add 2 to each side giving you 3x=-6
to isolate further, you divide both sides by 3 giving you -2