Question

Уравнения...

Срочно!!

5(х-2) = х+2

 

21/х = 3/2

Answer 1

5(х-2) = х+2      21/х = 3/2

5х-10=х+2         х*3=21*2

5х-х=2+10         3х=42

4х=12               х=42:3

х=12:4             х=14

х=3

Answer 2

5(х-2)=х+2

5х-10=х+2

5х-х=2+10

4х=12

х=12:4

х=3

 

 

21/х=3/2

3х=21*3

3х=42

х=42:3

х=14