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Elenna [48]
3 years ago
10

1 a. s+(-7) -1 when s= -3

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Use the substitution method

s+(-7)-1

-3+(-7)-1

-negative sign and + positive sign= - negative sign

-3-7-1

=-10-1

=-11

Answer: -11

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