elavelle424 elavelle424

21-09-2022
Mathematics

contestada

Find two numbers a and b whose sum a + b is -9 and whose difference a - b is -1.

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beinggreat78 beinggreat78

21-09-2022

Answer:

a has two solutions for this case.

a₁: [tex]a=-9-b[/tex]

a₂: [tex]a=-1+b[/tex]

Step-by-step explanation:

A1

[tex]a+b-b=-9-b\\a=-9-b[/tex]

A2

[tex]a-b+b=-1+b\\a=-1+b[/tex]

➲ I hope this helps you.

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