1) 9x + 7x - 18.17 = 3.4316x - 18.17 = 3.4316x = 3.43 + 18.1716x = 21.6x = 21.6 / 16x = 1.35
2) 104.9 - (11x + 5x) = 1.7104.9 - 16x = 1.7-16x = 1.7 - 104.9-16x = -103.2x = -103.2 / -16x = 6.45
Ответ: x1 = 1.35, x2 = 6.45
1) 9x + 7x - 18.17 = 3.43
16x - 18.17 = 3.43
16x = 3.43 + 18.17
16x = 21.6
x = 21.6 / 16
x = 1.35
2) 104.9 - (11x + 5x) = 1.7
104.9 - 16x = 1.7
-16x = 1.7 - 104.9
-16x = -103.2
x = -103.2 / -16
x = 6.45
Ответ: x1 = 1.35, x2 = 6.45