👤

5x+206-134-x-3x=106 ???????????

Răspuns :

5x+70-4x=106
5x-4x+70=106
x+70=106
x=106-70
x=36
5x+72-x-3x=106
x+72=106
x=106-72
x=34
proba: 5x34+206-134-34-3x34=170+206−134−34−102=106