Question

If 4.6 plus 1.9 times a number equals the sum of the number and 94.6, what is the number

Answer 1

4.6 + 1.9x = x + 94.6

Combine like terms:
1.9x - x = 94.6 = 4.6
0.9x = 90
x = 90/0.9 = 100

The number is 100.