51=7 + (12-1)d
Please answer this asap
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51=7 + (12-1)dPlease answer this asap
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Answer:
51=7+(12-1) d
SUBTRACT THE NUMBERS
51=7+(12-1) d
51=7+(11) d
51=7+ 11 d
51=11d+7
51-7=11d+7-7
44=11d
44/= 11d/11
d=4