Answer:
x
=
−
5
Step-by-step explanation:
34-12=22
the answer is:
If the outside is 34c and the inside is 12c then the answer is 22c, as you are taking off 12 from 34.
He made $ 394.90 because you need to add all the large paintings then the small ones then add them all
3x + y = 2x + y
3x - 2x = y - y
x = 0
so the answer is (x,y) (0,4)