<span>12x+14x+4,2=12
26х+4,2=12
26х=12-4,2
26х=7.8
х=0,3</span>
1)40%=0,4
2)0,4%=0,004
3)5734%=57,34%
4)0,125=12,5%
5)0,0072=0,72%
6)14=1400%
212,03-х=65,216 х=212,03-65,216 х=146,814 y+564,786=6789,007 y=6789,007-564,786 y=6224,221 (56,113+h)-108,678=0,0563 56,113+h = 0,0563+108,678 56,113+h=108,7343
h=108,7343-56,113 h=52.6213