Your question is equal to: x + 8 = 0 The answer is x = -8.
0
8
Because the opposite of 8 for example is -8 and 8+(-8) = 0
The sum of a number and its opposite would be zero. Example: 8 + -8 (since it's easier to not use double signs i'll write it this way) 8 - 8 = 0.
x+x^2=72x^2 +x -72=0 (x+9)(x-8)=0 x=-9 or x=8
The nos. Are 8 and -8 Sum of the nos. 8+(-8)=0 Product of the nos. 8 × (-8) = -64
0
Not necessarily. If the number is 0, then the sum of 8 times the number and -192 is -192.
That is 8001. For a number is divisible by 9, the digits must sum up to 9 (or a multiple of 9). So for 8000, the digits sum to 8 [8 + 0 + 0 + 0 = 8]. So you're only 1 away from 9 [8 + 0 + 0 + 1 = 9]
8
Because the opposite of 8 for example is -8 and 8+(-8) = 0
The sum of any number and 0 is the original number.
The sum of a number and its opposite would be zero. Example: 8 + -8 (since it's easier to not use double signs i'll write it this way) 8 - 8 = 0.
x+x^2=72x^2 +x -72=0 (x+9)(x-8)=0 x=-9 or x=8
This is simple algebra. Let the unknown number be n. Then the sum of this number and 8 = n + 8.
8
the sum of 8 and 4 times a number is 36