18т238+42т+402=4060
4284т+42т+402=4060
4326т=4060-402=3658
т=3658/4326=0,8456
Элементарно
18*т*238+42т+402 = 4060 | :2
9*т*238+21т+201 = 2030
2142*т+21т = 1829
2163*т = 1829
т = 1829/2163
т ~ 0.8456
18т238+42т+402=4060
4284т+42т+402=4060
4326т=4060-402=3658
т=3658/4326=0,8456
Элементарно
18*т*238+42т+402 = 4060 | :2
9*т*238+21т+201 = 2030
2142*т+21т = 1829
2163*т = 1829
т = 1829/2163
т ~ 0.8456