3 years ago

Solution of inequality -2/5x-9<9/10

1 answer:

5 0

$- \frac{2}{5}x-9\ \textless \ \frac{9}{10} \\(- \frac{2}{5}x-9\ \textless \ \frac{9}{10} )*10 \\ -4x-90\ \textless \ 9 \\ -4x\ \textless \ 9+90 \\ x\ \textgreater \ -\frac{99}{4}$

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