Question

What is the solution of 7<5-2x<17

Answer 1

Step Number 1. Subtract 5 from the whole equation.

$7-5\ \textless \ -2x\ \textless \ 17-5$

Step Number 2. Simplify

$2\ \textless \ -2x\ \textless \ 12$

Step Number 3. Divide the whole equation by -2

$-1\ \textgreater \ x\ \textgreater \ -\frac{12}{2}$

Step Number 4. Simplify

$-1\ \textgreater \ x\ \textgreater \ -6$

Done! :)