Question

ajutor dau coroana e foarte urgent!!!!!!!!!a+25-23=a:5

Answer 1

a+2=a:5
a=a:5-2

$a=\frac{a}{5}-\frac{2}{1}$

$a=\frac{a}{5}-\frac{10}{5}$

$a=\frac{a-10}{5}$

=> 5a=a-10
5a-a=-10
4a=-10
a=-10:4

$a=-\frac{10}{4}=-\frac{5}{2}=-2,5$

S={-2,5}