5 x the sum of a number and 2 is less than the number x 8. Find the number

asked Jul 6, 2020 65.7k views

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The solution to inequality is not a number but an interval.

$5(x+2) < 8x \\5x+10 < 8x \\10 < 3x \\10/3 < x \\x > 10/3\Longrightarrow x\in(10/3, +\infty)$

Hope this helps.

Twillouer answered Jul 11, 2020

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