Answer:
The quotient is 40.9
4(4x+1)=(3x-46-x)+8
16x+4=3x-46-x+8
16x-3x+x=-46-4+8
14x=-42
14x/14=-42/14
x=-3
In general, you cannot prove that because it is not true.
2 is rational. √2 is not.