noname7 noname7

26-05-2016
Mathematics

Answered

Full in the missing reason for each step of proof?

Full in the missing reason for each step of proof? class=

Verified Answer :

nobillionaireNobley nobillionaireNobley

04-06-2016

5x + 3y + 2(x + y) = 5x + 3y + 2x + 2y . . . . . . . . (opening up the bracket)
= 5x + 2x + 3y + 2y . . . . . . . . (rearranging terms)
= 7x + 5y

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