How do you find the sum and difference of two numbers?
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Step-by-step explanation:
The sum is a+b. The difference is a-b. Adding the sum to the difference is (a+b) + (a-b) which is a + b + a - b = 2a.
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Answer:
Step-by-step explanation:
Sum = By adding 2 numbers
eg- 15+15= 30
Difference = By subtracting the bigger number from the smaller
Eg- 18-15 = 3
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