Question

решите уравнения 24х+8=15х-100,351-92х=51-72х

Answer 1

24x - 15x = -108
x = -12

300 = 20x
x = 15

Answer 2

24x + 8 = 15x - 100
24x - 15x = -100 - 8
9x = -108
x = -108 / 9
x = -12

351 - 92x = 51 - 72x
92x - 72x = 351 - 51
20x = 300
x = 300 / 20 
x = 15

Answer 3

вот это я ждала.Спасибо