Answer:
61
Step-by-step explanation:
Put 12 where n is, then do the arithmetic.
a(12) = -5 +6(12-1) = 61
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We assume you didn't really mean to show an equation for -a(n). If you did, then the term you want is -61.
Step-by-step explanation:
hence the value of y=-9/4and k=-16.
I got:
c) 18x-9=72
d) 3(6x-3)=72
e) x=4.5
If you need any explanations for the answers, please tell me!