The sum 35

The sum of the two numbers is -20. One number is 3 more than the other one. Find the numbers.

Correct answer:

a =  -8.5
b =  -11.5

Step-by-step explanation:

a+b=−20 a=3+b  a+b=−20 a−b=3  Row2−Row1→Row2 a+b=−20 −2b=23  b=−223​=−11.5 a=−20−b=−20+11.5=−8.5  a=2−17​=−8.5 b=2−23​=−11.5

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