Question

1) 3(x-2)=x+2
2) (7x+1)-(9x+3)=5​

Answer 1

1) 3(х-2)=х+2

3х-6=х+2

3х-6-х-2=0

2х-8=0

2х=8

х=8÷2

х=4

2) (7х+1)-(9х+3)=5

7х+1-9х-3-5=0

-2х-7=0

-2х=7

х=7÷(-2)

х=-3,5