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7y+ 8x + 4= 20 + 8x
- 8x - 8x
7y + 4 = 20
- 4 - 4
7y=16
/7 /7
y= 2.28


the /7 means divide by 7 :)

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โˆ™ 2009-10-26 01:05:28
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