Question

1) 7 (x-19)=133
2) 9 (213-2x)=927
РЕШИТЕ Уравнение

Answer 1

1)7(х-19)=133
7×х-7×19=133
7х-133=133
7х=133+133
7х=266
х=266:7
х=38

2) 9(213-2х)=927
9×213-9×2х=927
1917-18х=927
18х=927-1917
18х=-990
х=990: 18
х=55