9x-18=-27.
9x=-27+18
9x=-45
X=-5
9x-18=27
9x=27+18
9x=45
X=5
<span>3*4+2+22=36
</span><span>(22-2)*4:3=15
</span><span>3*4:2+22=28
</span><span>22-(2*4)-3=11
</span>
Х/4=5
х=5*4
х=20
105/у=7
у=105:7
у=15
(х+12)/6=14
х+12=14*6
х+12=84
х=84-12
х=72
102*80=8160 651*20=13020 95634
8160-3684=1776 13020-1877=11143 90630+5004=95634
456*14=6384 1980-103=1877 3021*30=90630
7005*7=49035
49035-204=48831
102*2=204