1(7х+1)-1(9х+3)=5 решение))

Question

1(7х+1)-1(9х+3)=5 решение))

Answer 1

 1(7х+1)-1(9х+3)=5
7х+1-9х-3=5
7х-9х=5-1+3
-2х=7
х=-7/2
х=-3,5

Answer 2

1(7х+1)-1(9х+3)=5
7х+1-9х-3=5
7х-9х=-1+3+5
-2х=7|:(-2)
х=-3,5