ariannareyes562600 ariannareyes562600

13-02-2021
Mathematics

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Please answer!
(1) what mistake was made?
(2) what suggestion could help avoid that?

Please answer 1 what mistake was made 2 what suggestion could help avoid that class=

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charlie00285 charlie00285

13-02-2021

Answer:

1) the signs of the numbers is not in standard form

2) always make sure that the signs of the two equations is standarised and then solve

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