Melisa354657rans
Answered

7. (a + 5) = 7a + ∆

9. (b - 6) = 9b + π

Yukarıda verilen eşitliklere göre ∆ + π ifadesinin değeri kaçtır?

A) -15 B) - 17
C) -19 D) -21​

Sagot :

Ozdasanrabiaecrinrans

Anlamadığın yerleri sorabilirsin
Dodo03rans

Cevap:

[tex]7a + 35 = 7a + x \\ 9b - 54 = 9b + y \\ x = 35 \\ y = - 54 \\ 35 - 54 = - 19[/tex]

Adım adım açıklama:

D

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