Question

5(x-2)-(7x-12)=x+1 pomogitse

Answer 1

5x-10-7x-12-x-1=0
-3x-23=0
3x+23=0
3x=-23
x=-233
x=-7целых 23
Пожалуйста)

Answer 2

5(х-2)-(7х-12)=х+1
5х-10-7х+12=х+1
5х-7х-х=1+10-12
-3х=-1
х=-1:(-3)
х=1/3

проверка
5(1/3-2)-(7*1/3-12)=1/3+1
5/3-10-7/3+12=1 1/3
1 1/3=1 1/3