5
31
(5+5) + (5-5) + (5 + 5 - 5) + (5 x 0) = 10 + 0 + 5 + 0 = 15
0. Any equation that has times 0 equals 0.
5 + 5 + 5 - 5 + 5 + 5 - 5 + (5 x 0) = 15
If you put the numbers in order it is: 0, 0, 1, 2, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9. Since there are 25 numbers, we are looking for the thirteenth number, which is 5.
-5 plus 0 is -5. That is true whatever the value of y.
5 + 0= 5 - 14 = -9 + 3= -6
a = 0
5
-5 + 5 = 0
1
15z+5+6z=0 21z+5=0 z=-5/21