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svetlana [45]
3 years ago
6

Simplify the expression 15 − 3(3a + b) + 5a − 6b.

Mathematics
2 answers:
Studentka2010 [4]3 years ago
8 0

Answer:

Step-by-step explanation:

the answer is -4, 9, and 15

SashulF [63]3 years ago
3 0

Answer:

15-3(3a+b)+5-6b

15 - 9a - 3b + 5 - 6b

15 - 9a - 9b + 5

20 - 9a - 9b

Step-by-step explanation:

15-3(3a+b)+5-6b

Multiple everything inside of the parenthesis by -3.

15 - 9a - 3b + 5 - 6b

Get the variables together by doing -3b-6b

15 - 9a - 9b + 5

Add 5 to 15.

20 - 9a - 9b

Final answer: 20 - 9a - 9b

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