Question

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

Answer 1

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

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

Hope this helps.