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Evaluate [4 - (2 - 7(7 - 5) + 3)] + 7

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user7789425 | eNotes Newbie

Posted August 31, 2013 at 6:30 AM via web

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Evaluate [4 - (2 - 7(7 - 5) + 3)] + 7

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llltkl | College Teacher | Valedictorian

Posted August 31, 2013 at 6:54 AM (Answer #1)

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To evaluate `[4 - (2 - 7(7 - 5) + 3)] + 7`

Applying BODMAS

`=[4 - (2 - 7*2 + 3)] + 7`

`=[4 - (2 - 14 + 3)] + 7`

`=[4 - (5 - 14 )] + 7`

`=[4 - ( - 9 )] + 7`

`=[4 + 9] + 7`

`=13+7`

`=20`

Hence, the answer is 20.

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