bradmirastelter bradmirastelter

11-11-2018
Mathematics

contestada

graphic method...please
1) a+b=76
a-b=12
a=?
b=?

2) a+b=365
b=4a

Respuesta :

greysendempsey greysendempsey

11-11-2018

1)

44+32=76

44-32=12

a=44

b=32

2)

73+292=365

292=(4)*(73)

a=73

b=292

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