Twice the difference of a number and 4 equals 20

2 (x-4) = 20

Step-by-step explanation:

Thats the equation

But If you're looking for the value of x it's 14

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2 (x-4) = 20

Solution:

2x - 8 = 20

2x = 20 + 8

2x = 28

x = 28/2

x = 14