Question

Решить уравнения:
2(11х-5)-17х=55
5(8х+3)-12=83
7(2х+9)+3х=114
3(4х+13)-25=74

Answer 1

22x - 10 - 17x = 55
5x = 65
x = 13

40x + 15 - 12 = 83
40x = 80
x = 2

14x + 63 + 3x = 114
17x = 51
x = 3

12x + 39 - 25 = 74
12x = 60
x = 5