Answer:
Robert Aecorde is the first Mathematician who first used the modern symbol of equality
Step-by-step explanation:
1. R : -105
2. O: 25
3. B: 23
4. E : 63
5. R: -85
6. T: -22
7. A: 120
8. E: -55
9. C: 10
10. O: -155
11. R: 80
12. D: 35
13. E : 145
Take Note: Numbers 2,3,5,6,7,8,10,12 are what we called Absolute values
Absolute Value is the number regardless of it's sign
Example 38+(-15) = 23
Why?
Because of the negative sign Although it has a plus sign, still you have to subtract it just like basic subtraction but in Absolute Value
Hope it helps
#BrainlyEverydayPH
