<span>54-x=27</span>
<span>х=54-27</span>
<span>х=27</span>
<span>54-27=27</span>
<span><span>x-33=39</span></span>
<span><span>х=39+33</span></span>
<span><span>х=72</span></span>
<span><span>72-33=39</span></span>
<span><span><span>28+x=34</span></span></span>
<span><span><span>х=34-28</span></span></span>
<span><span><span>х=6</span></span></span>
<span><span><span>28+6=34</span></span></span>
4х+х=45
5х=45
х=9
28х-27х=15
х=15
45-24х=20х
44х=45
х=1 1/44
1-0.8=0.2 заказа осталось выполнить
48:0,2=240 едениц должен выпустить завод