isabellelyon2008 isabellelyon2008

27-04-2021
Mathematics

contestada

9=7+a
a+8=b+5
what is b

Respuesta :

rmaxson75 rmaxson75

27-04-2021

Answer:

b=5

Step-by-step explanation:

9=7+a

-7

2=a

a+8=b+5

10=b+5

-5

5=b or b=5

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