newboyyyy
newboyyyy
11-04-2018
Mathematics
contestada
Which answer choice would it be and why
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MS2001
MS2001
11-04-2018
3.2a-4.3b-(1.4a-3.9b+1.2) multiply contents of brackets on a negative sign. So, 3.2a-4.3b-1.4a+3.9b-1.2=1.8a-0.4b-1.2. So the answer will be A.
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