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son4ous [18]
3 years ago
14

•SpringBoard ALGEBRA 1

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
3 0

Step-by-step explanation:

11.3x-12 for x=5

=3(5)-12

=15-12

=3

12.45+15(n-1) for n=6

=45+15(6-1)

=45+15(5)

=45+75

=120

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