1) 2.27 - 2x = 0.92.27 - 0.95 = 21.32 = 2x = 1.32 / x = 0.66
2) 95.08 + 12x = 29.712x = 29.74 - 95.012x = -65.3x = -65.34 / 1x = -5.445
Проверим ответы подставив их в уравнения1) 2.27 - 2 * 0.66 = 0.92.27 - 1.32 = 0.90.95 = 0.95 - верно
2) 95.08 + 12 * (-5.445) = 29.795.08 - 65.34 = 29.729.74 = 29.74 - верно
Ответ: x1 = 0.66; x2 = -5.445
1) 2.27 - 2x = 0.9
2.27 - 0.95 = 2
1.32 = 2
x = 1.32 /
x = 0.66
2) 95.08 + 12x = 29.7
12x = 29.74 - 95.0
12x = -65.3
x = -65.34 / 1
x = -5.445
Проверим ответы подставив их в уравнения
1) 2.27 - 2 * 0.66 = 0.9
2.27 - 1.32 = 0.9
0.95 = 0.95 - верно
2) 95.08 + 12 * (-5.445) = 29.7
95.08 - 65.34 = 29.7
29.74 = 29.74 - верно
Ответ: x1 = 0.66; x2 = -5.445