Question

Which expression is equivalent to 3(c + b) + 9b – c

3c + 9b

2c + 12b

2c -12b

3c – 9b

Answer 1

Please help me understand this better. Cuz i'm lost U.U

Answer 2

huh....

Answer 3

uh....

Answer 4

Distribute

Answer 5

3(c+b)= 3c+3b . So then you have to combine like terms

Answer 6

3c+3b+9b-c

Answer 7

3c-c=2c

Answer 8

3b+9b=12b

Answer 9

oh ok. So the answer is 3b+9b=12b...?

Answer 10

No. The answer is 2c+12b

Answer 11

really O.O