The number is 11.
"It is a mathematical statement which consists of equal symbol between two arithmetic expressions."
For given question,
the sum of fifteen and six times a number t is eighty one.
We write above statement in equation form as,
15 + 6t = 81
We solve above equation to find the number t.
⇒ 15 + 6t = 81
⇒ 15 + 6t -15 = 81 - 15 .....................(Subtract 15 from both the sides)
⇒ 6t = 66
⇒ =
....................(Divide both the sides by 6)
⇒ t = 11
Therefore, the number is 11.
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Answer:
5 units
Step-by-step explanation
Graph it out. You graph (-1,2) and (3,-2). Find the distance by seeing how many points are in between (diagnolly n this case)