Answer:
which question do i do
#1 you isolate the variable by getting it to one side alone, so after the 7 ois subtracted from itself and 15=8 then you have to multiple (3/2) on both sides which gets x by itself.
#2 the cost of c is 2.5
#3 is 2+4x and 4+8x
Step-by-step explanation:
