nazla17 nazla17

05-01-2021
Mathematics

contestada

a+b=5
a-b=1
Help me out please
Thank you in advance

Respuesta :

sunitadangol1234 sunitadangol1234

05-01-2021

Answer:

a=5-b

now substituting to 2nd eqn

5-b-b=1

5-2b=1

4=2b

b=2

again,

a-2=1

a=3

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