Question

Решите уравнения
1) (х - 380) * 50 = 2000
2) (х + 8) : 70 = 4

Answer 1

1) (х - 380) * 50 = 2000
х-380=2000:50
х-380=40
х=40+380
х=420
2) (х + 8) : 70 = 4
х+8=4*70
х+8=280
х=280-8
х=272