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goldfiish [28.3K]
3 years ago
11

-9x + 5 < 17 AND 13x + 25 < -1

Mathematics
1 answer:
lakkis [162]3 years ago
7 0

- 9x + 5 < 17 \\collect \: like \: terms \:  - 9x < 17 - 5 \\  - 9x < 12 \\ divide \: both \: side \: by \:  - 9 \:  \\ x >  \frac{4}{3} \:  \:  \:  \: remember \: when \: you \: divide \: both \: sides \: by \: a \: negative \: number \: the \: sign \: will \: change \\ 2)13x + 25 <  - 1 \\ 13x <  - 1 - 25 \\ 13x <  - 26 \\ x  <  - 2 \\ the \: sign \: did \: not \: change \: because \: we \: did \: not \: divide \: both \: side \: by \: a \: negative \: number \:

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