Question

4 + 9x > –2 + 7x solucion

Answer 1

$4+9x\ \textgreater \ -2+7x$
$4+9x\ \textgreater \ 7x-2$
$4+9x-7x\ \textgreater \ -2$
$4+2x\ \textgreater \ -2$
$2x\ \textgreater \ -2-4$
$2x\ \textgreater \ -6$
$x\ \textgreater \ -\frac{6}{2}$
$x\ \textgreater \ -3$

Answer 2

4 + 9x > - 2 + 7x

9x - 7x > - 2 - 4

2x > - 6

x> - 6/2

x> - 3

Solución : ]- 3; + ∞[