1) 2.27 - 2x = 0.952.27 - 0.95 = 2x1.32 = 2xx = 1.32 / 2x = 0.66
2) 95.08 + 12x = 29.7412x = 29.74 - 95.0812x = -65.34x = -65.34 / 12x = -5.445
Проверим ответы подставив их в уравнения:1) 2.27 - 2 * 0.66 = 0.952.27 - 1.32 = 0.950.95 = 0.95 - верно
2) 95.08 + 12 * (-5.445) = 29.7495.08 - 65.34 = 29.7429.74 = 29.74 - верно
Ответ: x1 = 0.66; x2 = -5.445
1) 2.27 - 2x = 0.95
2.27 - 0.95 = 2x
1.32 = 2x
x = 1.32 / 2
x = 0.66
2) 95.08 + 12x = 29.74
12x = 29.74 - 95.08
12x = -65.34
x = -65.34 / 12
x = -5.445
Проверим ответы подставив их в уравнения:
1) 2.27 - 2 * 0.66 = 0.95
2.27 - 1.32 = 0.95
0.95 = 0.95 - верно
2) 95.08 + 12 * (-5.445) = 29.74
95.08 - 65.34 = 29.74
29.74 = 29.74 - верно
Ответ: x1 = 0.66; x2 = -5.445