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21-11-2019
Mathematics

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18 less than three times a number is twice the number. Define a variable write an equation and solve to find the number.

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21-11-2019

Answer:

n = 18

Step-by-step explanation:

N = variable

Equation: 3n - 18 = 2n

Solve:

3n - 18 = 2n

3n = 2n + 18 Add 18 to both sides

3n - 2n = 18 Subtract 2n from both sides

n = 18

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