9x+3y+12y-0.9x=9x+(-0.9x)+3y+12y The equation is Commutative Property.. How did they get that second equation?

1 answer:

3 0

Oh how I miss the days when math was as simple as 2+2=4.

Educated guess here: By putting parentheses.

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kobusy [5.1K]

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Alex

Answer:

5/7

Step-by-step explanation:

20/28=5/7

Hoped i answered u

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