11y-9=7y+19

2007-07-27 1:54 am

11y-9=7y+19
=

回答 (9)

2007-07-27 1:57 am

✔ 最佳答案

11Y-9=7Y+19

SOLVE
11Y-7Y=19+9
4Y=28
4Y/4=28/4
Y=7

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2007-07-28 10:55 pm

11y-9=7y+19
11y=7y+28
4y=28
y=7

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2007-07-27 6:50 am

11y-9=7y+19
11y-7y=19+9
4y=28
y=27

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2007-07-27 2:13 am

11y-9=7y+19
11y-7y=19+9
4y=28
y=7

參考: me

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2007-07-27 1:59 am

11y-9=7y+19
11y-7y=19+9
4y = 28
y = 28 / 4
y = 7

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2007-07-27 1:57 am

11y-9=7y+19
11y-9+9=7y=19+9
11y=7y+28
11y-7y=7y+28-7y
4y=28
y=7

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2007-07-27 1:57 am

11y-9=7y+19

11y-7y= 19+9

4y=28

y=28/4

y=7

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2007-07-27 1:57 am

11y - 9 = 7y + 19
11y - 7y = 19 + 9
4y = 28
y = 7

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2007-07-27 1:57 am

11y-9=7y+19
11y-7y=19+9
4y=28
y=7

參考: Personal

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