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Naily [24]
3 years ago
13

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

Mathematics
1 answer:
otez555 [7]3 years ago
7 0

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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