subtract: a=5 and a+3d=19/2
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Answer:
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Answer:
d =1.5
Step-by-step explanation:
a =5
a+3d = 19/2
5+3d =19/2
3d =19/2-5
3d =9.5-5
3d =4.5
d=4.5/3
d =45/30
divided by 5
d =9/6
divided by 3
d =3/2
d =1.5
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