Реши уравнение;
1,2х + 5,6 +4,8х= 17,06
3х + 1,3х +6,7х =122
6,7х +9х + 3,3х = 57
1,2х + 5,6 +4,8х= 17,06
3х + 1,3х +6,7х =122
6,7х +9х + 3,3х = 57
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1,2х + 5,6 +4,8х= 17,066х=11,46
х=11,46/6
х=1,91
3х + 1,3х +6,7х =122
11х=122
х=122/11
х=11 1/11
6,7х +9х + 3,3х = 57
19х=57
х=57/19
х=3