When 2/3 is added to a certain number, the sum is 3 greater than twice the number. part 1: set up an equation using n to represent the number. part 2: solve the equation in part 1 for n.?

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Mathematics

Ford

Today, 12:31

When 2/3 is added to a certain number, the sum is 3 greater than twice the number. part 1: set up an equation using n to represent the number. part 2: solve the equation in part 1 for n.?

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Kayley Ramirez · Answer 1

2/3 + n = 2n + 3 < = = ur equation

2/3 - 3 = 2n - n

2/3 - 9/3 = n

-7/3 = n < = = ur solution

or

2/3 + n = 2n + 3 ... multiply everything by common denominator of 3

2 + 3n = 6n + 9

2 - 9 = 6n - 3n

-7 = 3n

-7/3 = n