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Answered

Twice the difference of a number and one is seven more than the number find the number.​

Sagot :

KIRSCHEIN

Answer:

X = 9

Step-by-step explanation:

Let x be the number

2(x-1) = 7+x

2x–2 = 7+x

2x-x = 7+2

x = 9

Checking:

2(x-1) = 7+x

2(9-1) = 7+9

2(8) = 16

16 = 16

Therefore the number is 9.

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