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26.12.2019 •
Mathematics
The teacher gives the equation 4x__=12. charlie finds the answer by writing and solving 12÷__=3. explain why charlie's method works.
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Ответ:
x=3
12/x=3
x=4
the 1st equation 4x=12 is 3 the 2nd equation x 12/x=3 x=4
Ответ: