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Alik [6]
4 years ago
14

Twice the difference of a number and 7

Mathematics
1 answer:
galina1969 [7]4 years ago
7 0

Answer:

x = 19/2

Step-by-step explanation:

2(x - 7) = 5

Let's divide both sides by 2 so as to isolate (x - 7):

x - 7 = 5/2

Add 7 to both sides to isolate x:

x = 7 + 5/2, or n = 14/2 + 5/2 = 19/2 = x

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