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Simplify. a - {4 b - [ a - (5 b - c ) + 3 c - ( a - b - 9 c )]}
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Simplify. a - {4 b - [ a - (5 b - c ) + 3 c - ( a - b - 9 c )]}

User Objmagic
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1 Answer

1 vote
The answer to this should be a-8b+13c

a - {4b - [a - (5b - c) + 3c - (a - b - 9c)]}
=a - {4b - [a - 5b + c + 3c - a + b + 9c]}
=a - {4b - [- 4b+ 13c]}
=a - {4b + 4b -13c}
=a - 8b + 13c


Hope this helped :)
Have a great day
User Nikolay Marinov
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8.0k points
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