Answer:
b=-1
Step-by-step explanation:
12b+4=-6b-14
12b+4-4=-6b-14-4
12b=-6b-18
12b+6b=-6b-18+6b
18b=-18
18b/18=-18/18
b = -1
-8b + 4 + 20b = -6b - 14
12b + 4 = -6b - 14
18b + 4 = -14
18b = -18
