A)12-(x-3)=9b)4(x+3)=16c)x+0,5x=3

Question

A)12-(x-3)=9
b)4(x+3)=16
c)x+0,5x=3

Answer 1

A)12-(x-3)=9
12-х+3=9
-х=9-3-12
-х=-6
х=6
b)4(x+3)=16
4х+12=16
4х=4      х=1
c)x+0,5x=3
1,5х=3
х=3:1,5 
х=2