Question

what is the possible values of x if x/5+6>21 ?

Answer 1

$\frac{x}{5}+6>21$

subtract 6 from both sides of the equation:

$\frac{x}{5}+6-6>21-6$$\frac{x}{5}>15$

Multiply both sides by 5

$\frac{x}{5}\cdot5>15\cdot5$$x>75$