Ent Which expressions are equivalent to 6 +(-x) + 2x + (-7)
+ 2x? Check all that apply.
O x + x + 6-7 + x
O 2x + 2 + x
O 3 - x + 2x - 4 + 2x
Ox-1°
O x + 1

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza