Question

if 2.1 plus 9.3 times a number equals the sum of the number and 63.4 what is the number

Answer 1

\[(9.3 x+2.1)-(x+63.4)=0 \]\[8.3 x-61.3=0 \]\[x=\frac{61.3}{8.3}=\frac{613}{83} \]

Answer 2

x to 50 digits:

7.3855421686746987951807228915662650602409638554217