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Mathematics
Bugsey
29 September, 02:55
7 (x+4) - 2[x-3 (5+x) ]=⅔ (x-6)
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Libby Cox
29 September, 04:17
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7 (x+4) - 2/3 (x-6) < 2[x-3 (x+5) ]
Do it 1 step at a time.
7 (x+4) - 2/3 (x-6) < 2[x-3x-15]
7x+28 - 2/3 (x-6) < 2[x-3x-15]
I'll assume you mean (2/3) * x-6)
---
7x+28 - (2x/3) - 4 < 2[-2x-15]
7x+24 - (2x/3) < - 4x-30
Add 4x
11x+24 - (2x/3) < - 30
Add 30
11x + 54 - (2x/3) < 0
Multiply thru by 3
33x + 162 - 2x < 0
31x < 162
x < 162/31
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