Question

1-(1-5x)=14 чему равин x?

Answer 1

1(1-5x)=14
1-1+5x=14
5x=14
x=2.8

Answer 2

1-(1-5х)=14
1-5х=1-14
-5х=1-14-1
-5х=-14
х=-14:(-5)
х=2,8