Respuesta :

5х + 48 + 7х = 12 * (х + 4)
12х + 48 = 12х + 48
12х - 12х = 48 - 48
0 = 0

Infinite set of roots
Freshie
The answer is 0=0

Here's the work=

12(x+4)= 12•x + 12•4 = 12x + 48
5x + 48 + 7x= 12x + 48

Thus, the answer is 12x + 48= 12x + 48, which, when simplified, equals 0=0