johnniealdan04 johnniealdan04

19-08-2020
Mathematics

contestada

Explain why the following statements are equivalent: x + (y + 9) = (x + y) + 9

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Toodles568 Toodles568

19-08-2020

Answer:

There are no like terms hence they stay the same

Step-by-step explanation:

x + (y + 9)

There are no like terms

=x+y+9

(x + y) + 9

There are no like terms

=x+y+9

Answer Link

mvpking1217 mvpking1217

19-08-2020

Answer:get into it

Step-by-Stefan:

Answer Link

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