Question

ex 4 va rooog muuuuult​

Answer 1

$2x + 9 \leqslant 13 \\ 2x + 9 - 9 \leqslant 13 - 9 \\ 2x \leqslant 13 - 9 \\ 2x \leqslant 4 \\ x \leqslant 2$

Answer 2

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