
Arturo O. answered 06/02/20
Tutor
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Experienced Physics Teacher for Physics Tutoring
a + b = -1
a - b = 1
Add the 2 equations and get
2a = 0
a = 0
0 + b = -1
b = -1
Daisy C.
asked 06/02/20Find two numbers a and b whose sum a+b is −1, and whose difference a−b is 1.Your answer is
Please find A and B
Arturo O. answered 06/02/20
Experienced Physics Teacher for Physics Tutoring
a + b = -1
a - b = 1
Add the 2 equations and get
2a = 0
a = 0
0 + b = -1
b = -1
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