Question

Det x din
[2(2x-1)+2]÷2=22
coroana like follow​

Answer 1

Aplicam metoda mersului invers :

[2(2x-1)+2]÷2=22 |*2

[2(x-1)+2]=44

4x-2+2=44 |-2

4x-2=42 |+2

4x=44

x=44:4

=> x= 11

Baftă!