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Damm [24]
3 years ago
10

-75 = 3(1 + 6n) + 6(n + 7)

Mathematics
2 answers:
Dafna11 [192]3 years ago
7 0
This should help u out :)

Travka [436]3 years ago
3 0
-75= 3(1+6n)+6(n+ 7)
-75 = 3+18n+ 6n + 42
-75 =3+42+18n+6n
-75 =45+24n
-75-45=24n
-120 =24n
-120/24=n
-5//
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