1)8(х-1,4)=0,56
8х-11,2=0,56
8х=11,2+0,56
8х=11,76
х=1,47
4) (51,32+х)•0,12=72
6,1584+0,12х=72
0,12х=72-6,1584
0,12х=65,8416
х=548,68
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Answers & Comments
1)8(х-1,4)=0,56
8х-11,2=0,56
8х=11,2+0,56
8х=11,76
х=1,47
4) (51,32+х)•0,12=72
6,1584+0,12х=72
0,12х=72-6,1584
0,12х=65,8416
х=548,68