Math, asked by zesminruna0427, 1 month ago

7a+(-5b- [2a+(3c-8b)+{3a -15b+9)}]

Answers

Answered by rathih835

0

Answer:

7a+(-5b

Step-by-step explanation:

Answered by symistry143

2

Answer:

Hope it's helpful to you

Step-by-step explanation:

7a+(-5b- [2a+(3c-8b+3a -15b+9)]
7a+(-5b- [2a+(3c+3a -23b+9)]
7a+(-5b- [2a+3c+3a -23b+9]
7a+(-5b- [5a+3c -23b+9]
7a+(-5b- 5a-3c +23b-9]
7a+(- 5a-3c +18b-9]
7a- 5a-3c +18b-9
2a-3c +18b-9

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