61497
14.10.2019 •
Mathematics
Simplify the expression. justify each step with a property: 12x + (7x + 9x) + 13x
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Ответ:
EDIT: Nvm im wrong sorry ;/ its 41 its actually 7x+9x which is 16 + 12 for 28 then + 13 for answer 41.
Ответ: