👤

[4x(2xX+3)+8]:12-2=3

Răspuns :

[4x(2xX+3)+8]:12-2=3
[4x(2xX+3)+8]:12 = 3+2
[4x(2xX+3)+8]:12 = 5
4x(2xX+3)+8 = 5×12
4x(2xX+3)+8 = 60
4x(2xX+3) = 60-8
4x(2xX+3) = 52
2×X + 3 = 52:4
2×X + 3 = 13
2X = 13-3
2X = 10
X = 10:2
X = 5