Answer:
a1= -3
d=2
an=23
n=?
an=a1+(n-1)d
23= -3+(n-1)(2)
23= -3+2n-2
23= -5+2n
23+5=2n
28/2=2n/2
14=n
Step-by-step explanation:
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Answer:
a1= -3
d=2
an=23
n=?
an=a1+(n-1)d
23= -3+(n-1)(2)
23= -3+2n-2
23= -5+2n
23+5=2n
28/2=2n/2
14=n
Step-by-step explanation: