simplify: 2a- [3b-{a-(2c-3b)+4c-3(a-b-2c)}]
Answers
Answered by
3
3b-4c
Step-by-step explanation:
2a-[3b-{a-(2c-3b)+4c-3(a-b-2c)}]
2a-[3b-{a-2c+3b+4c-3a+3b-6c}]
2a-[3b-{a-3a+3b+3b-2c-6c+4c}]
2a-[3b-{-2a+6b-4c}]
2a-[3b+2a-6b+4c]
2a-[2a-3b+4c]
2a-2a+3b-4c
3b-4c
Answered by
2
Answer:
8c - 3b
Step-by-step explanation:
2a- [3b - {a - (2c - 3b) + 4c - 3(a - b - 2c)}]
=2a - [3b - {a - 2c + 3b + 4c - 3a + 3b + 6c}]
=2a - [3b - a + 2c - 3b - 4c + 3a - 3b - 6c}]
Rearranging,
=2a - [ - a + 3a + 3b - 3b - 3b - 6c + 2c - 4c}]
= 2a - [ 2a - 3b - 8c]
= 2a - 2a + 3b + 8c
= 8c + 3b
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