1. irene made a mistake when she solved this inequality:

step 1: -6(x + 3) + 10 < -2
step 2: -6x − 18 + 10 < -2
step 3: -6x − 8 < -2
step 4: -6x < 6
step 5: x < -1

between which two consecutive steps did irene make a mistake?
a. step 1 and step 2
b. step 2 and step 3
c. step 3 and step 4
d. step 4 and step 5