chablisgirl122 chablisgirl122

07-05-2015
Mathematics

contestada

What is the anwser to 11a + 9 - 3a = –7 ???

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Sammy89 Sammy89

07-05-2015

8a+9=-7 subtract 9 from both sides. 8a= -16 divide both sides by 8. a= -2

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vuvuong003 vuvuong003

07-05-2015

You simply the first side 11a- 3a = 8a.
So we have a new equation: 8a + 9 = -7
Plus 7 in both side and you'll get 8a+16 = 0
Then divided eight on both side and you'll get -2 as your answer

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