3 years ago

7x-18 is less than or equal to 32

1 answer:

8 0

We have
$7x - 18 \leqslant 32 \\ 7x - 18 + 18 \leqslant 32 + 18 \\ 7x \leqslant 50 \\ x \leqslant 50 \div 7 \\$
we have x is less than or equal 50/7

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