-13
fifty-five - 55
23 plus 16 plus 16 equals 55. This is an addition equation and addition is a math operation that represents the total sum of objects in a collection.
2/3 + 1/6 + 1/6 =
23 + 16 + 16 = 55
16 + 23 + 14 = 53
23
-23+16 is equal to -7.
12 + 23 + 45 + 67 + 16 + 18 + 45 = 226
-23+7=-16
2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4
78 - without the aid of a calculator !
= (60 / 10) + 2(16 - 23) = 6 + 2(16-23) = 6 + 32 - 46 = -8