Question

Aflați x din 4x-6/12=1/2​

Answer 1

Răspuns:

4x=1/2+6/12

4x=6/12+6/12

4x=12/12

4x=1

x=1/4

x=0,25

Answer 2

Răspuns:

4x-6/12=1/2

4x-1/2=1/2

4x=1/2+1/2

1/2+1/2=(1+1)/2=2/2=1

4x=1

x=1:4=1/4