figueroadaisy1ovge0k
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  • 01-06-2020
  • Mathematics
contestada

Find two numbers a and b whose sum a+b is −3, and whose difference a−b is −7.Your answer is

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learntobreakurmind learntobreakurmind
  • 01-06-2020

Answer:

a = -5

b = 2

Step-by-step explanation:

a+b=-3

a-b= -7              +

2a  = -10

a = -10/2

a = -5

a + b = -3

-5 + b = -3

b = -3 + 5

b = 2

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