Question

Решите уравнение!СРОЧНО! 7(x-2)=3(3x+1)

Answer 1

7(х-2)=3(3х+1),

7х-14=9х+3,
7х-9х=3+14,
-2х=17,
х=17:(-2),
х=8,5

Answer 2

Не 3х, а 9х

Answer 3

оой,сори))

Answer 4

7(х-2)=3(3х+1)
7х-14=9х+3
7х-9х=3+14
-2х=17
х=-8,5