Seudónimo Seudónimo

02-03-2017
Mathematics

contestada

simplify the expression. Justify each step with a property: 12x + (7x + 9x) + 13x

please help...

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Noveskeexpert Noveskeexpert

02-03-2017

I got 39x since I did (7x + 9x) first to get 16x then added 12x and 13x
EDIT: Nvm im wrong sorry ;/ its 41 its actually 7x+9x which is 16 + 12 for 28 then + 13 for answer 41.

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melwatts444 melwatts444

02-03-2017

the simplified answer is 41x

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