Question

Please help!!!! 10 points

Answer 1

Answer:

E) $18a-8b-1$

Step-by-step explanation:

$10a-7b+11+8a-b-12$

Group the similar terms together:

$10a+8a-7b-b+11-12$

Add/subtract the "a" terms:

$18a-7b-b+11-12$

Add/subtract the "b" terms:

$18a-8b+11-12$

Add/subtract the numbers:

$18a-8b-1$

Answer 2

Answer: E) 18a - 8b - 1

Step-by-step explanation:  1) Combine like terms: (10a+8a)+(-7b-1b)+(11-12)

2) 18a - 8b - 1