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21. Six more than three times a number is equal to the number itself. Write the equation and find the number.

User Wyx
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1 Answer

2 votes

Answer:

-3

Explanation:

6 + (six more) 3x (3 times a number) = x (is equal to the number)

6 + 3x = x

6 + 2x = 0

2x = -6

x = -3

User Aleh Zasypkin
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