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3 years ago

7

Ten more than a number is 3 times the sum of the number and 4

1 answer:

DerKrebs [107]3 years ago

6 0

Answer:

Step-by-step explanation:

x + 10 = 3(x + 4)

x + 10 = 3x + 12

10 - 12 = 3x - x

- 2 = 2x

x = - 1

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