URGENT va rog! (12+x)+14=4×x-4​

Răspuns :

(12+x)+14=4x-4;

12+x+14=4x-4;

26+x=4x-4;

x-4x=-4-26;

-3x=-30 | : (-1)

x=30/3;

x=10;

(12 + x) + 14 = 4x - 4

12 + 14 + 4 = 4x - x

30 = 3x

x = 30 : 3

x = 10