Five times the difference of a number and three is twice the number. what is the number

5

Step-by-step explanation:

let the number be n then the difference is n - 3 and 5 times the difference is

5(n - 3) = 2n ← distribute parenthesis on left side

5n - 15 = 2n ( subtract 2n from both sides )

3n - 15 = 0 ( add 15 to both sides )

3n = 15 ( divide both sides by 3 )

n = 5

That is the number is 5

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

283 square feet

step-by-step explanation:

good luck