18-06-2016
Mathematics

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any1 can help me wif this explain every step of this

any1 can help me wif this explain every step of this class=

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18-06-2016

4a-[7-2(a+6)+5a]

4a-[7-2a-12+5a] :you distribute the 2 to the a and the 6

4a-[-5+3a] :you combine like terms(the 7&(-12) and the 2a&5a

4a+5-3a :you distribute the (-) to make +5 and -3a

a+5

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