2 years ago

Three times the difference of a number and 7 is 30. Find the number.

1 answer:

8 0

Answer:

Step-by-step explanation:

3(x - 7) = 30 is our equation, since we take 7 away from the number and then multiply the result by 3.

3x - 21 = 30

Add 21

3x = 51

Divide by 3

x = 17

To check.

3(17 - 7(

3(10)

30 = 30 Correct

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Daniel [21]

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Step-by-step explanation:

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Travka [436]

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3 years ago

lora16 [44]

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yKpoI14uk [10]

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3 years ago

givi [52]

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