A number is multiplied by 3 and then 7 is added. The result is doubled
and the result is 80. Using n to represent the original number, write
an equation to show this information. Find n
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Answer:
n=24
Step-by-step explanation:
3n+7 = 3
3n = 80- 7
3n = 73
n = 73 ÷ 3
n =24.33
rounding off to nearest tens
n=24
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