Question

Решите 10,36+(х-56,0.51)=120,309      25,56 - (х+12,07) = 18 ,49

Answer 1

$10.36+(x-56.051)=120.309$
$x-56.051=120.309-10.36$
$x-56.051=109.949$
$x=109.949+56.051$
$x=166$
ответ: 166
===========
$25.56-(x+12.97)=18.49$
$x+12.97=25.56-18.49$
$x+12.97=7.07$
$x=7.07-12.97$
$x=-5.9$
ответ: -5.9