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23-02-2021
Mathematics

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twice the difference of a number and 7 is equal to three times the sum of the number and 7. find the number

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Аноним Аноним

23-02-2021

Answer:

- 35

Step-by-step explanation:

2(x - 7) = 3(x+7)

2x - 14 = 3x + 21

- 21 - 14 = 3x - 2x

x = - 35

Rechecking :

2(-35 - 7) = 3 (-35 +7)

- 84 = - 84

I hope im right!!!

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