Question 676835
if 5 is added to twice a number and sum is multiplied by 2, then the result is
 the same as if the number is multiplied by 1 and 4 is added to the product.
 what is number
:
2(2n + 5) = 1n + 4
4n + 10 = n + 4
4n - n = 4 - 10
3n = -6
n = -2