Respuesta :
I believe you do it this way.
7b x 5b + 7b x -7
35b - 14b
11b is the answer
7b x 5b + 7b x -7
35b - 14b
11b is the answer
Answer:
12b - 7
Step-by-step explanation:
7b + ( 5b - 7 )
Remove bracket
7b + 5b -7
Add 5 and 7 and write b next to the sum
12b
Then place -7 next to the value found in 2nd step
12b-7