Question

aflati valoarea lui x (9 x X+14285):37=407

Answer 1

$9x+14285=407*37 \\ 9x=15059-14285 \\ x=774:9 \\ x=86$

Answer 2

(9x + 14285) : 37= 407 /x37 => 9x + 14285=15059/ - 14285 
=> 9x=774/ :9 => x=86