Question

Comprovacio de 5x+6=10x+5

Answer 1

5 x + 6 = 10 x + 5 
6 - 5 = 10 x - 5x
1 = 5x
1 : 5 = x 
0, 2 = x

Comprobamos:
5 . 0,2 + 6 = 10.0,2 + 5 
1 + 6 = 2 + 5 
7 = 7