Respuesta :

Answer:

Step-by-step explanation:

3x−7=4

1 Let x=\frac{11}{3}x=  

3

11

​  

.

3\times \frac{11}{3}-7=4

3×  

3

11

​  

−7=4

2 Cancel 33.

11-7=4

11−7=4

3 Simplify  11-711−7  to  44.

4=4

4=4

hard too understand