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Mathematics 20 Online
OpenStudy (anonymous):

what is the answer of this 2{[5(a-4)+17]-[3(5a-3)+3]}

OpenStudy (anonymous):

can you help me with this problem

OpenStudy (anonymous):

expand it. first expannd within the brackets or parentheses. so 5(a-4)+17 becomes 5a -20 +17 = 5a -3 next multiply this whole thing by 2 so you get 10a-15 do the other part in a similar way.

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