Question

21b-32+7b-20b what is the anser for this queation​

Answer 1

Answer:

b=4

Step-by-step explanation:

21b+7b-20b-32

28b-20b-32

8b-32

b=32/8

b=4

hope it helps you

Answer 2

Answer:

8b+32

Step-by-step explanation:

$21b + 32 + 7b - 20b \\ 21b + 7b - 20b + 32 \\ 28b - 20b + 32 \\ = 8b + 32$