а) х+3х+5=17б)3,5х+2,2х=4,56

Question

а) х+3х+5=17
б)3,5х+2,2х=4,56

Answer 1

4х=17-5

4х=12

х=12:4

х=3

 

 

5.7х=4.56

х=4.56:5.7

х=0.8 

Answer 2

4x=17-5

4x=12

x=12:4

x=3

 

5,7x=4,56

x=4,56:5,7

x=0,8