-20
because
-20 + 36 = 16
0
192
16
n-16
Let x be a number. 16=(3+x)*4 16=12+4x 16-12=12+4x-12 4=4x 4/4=4x/4 1=x Therefore a number is 1.
The question cannot be answered because it is ambiguous. Does "twice the sum of 16 and a number" mean "2*16 + x" or does it mean "2*(16 + x)"
The number is 1.
Then the number is 16
7
4*4=16 sum of 1+6 is 7, difference is 5 so 16 is answer
7
16 + x = y