Find ac
if ac= 2x+2
ab=10 and bc=-1+x

there would be 365 different 4 digit numbers

step-by-step explanation:

i belive that it is 365 because i asked google

you answer is a

step-by-step explanation:

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^