The Function Gx Is Defined By Gx=x2-8x+7 X ∈ R X - Gauthmath

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G(x)=x^2+9x-36
G(x)=x+2-e^x
G(x)=(x+2)e^(x-4)-2
G(x)=(x+2)e^(x-4)-2 Bac
G(x)=x-2lnx

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Question

6)I think of a number. I double it, add 31, and then subtract 4. My answer is 149, what was my number?

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Solution

The number was 61.

Step 1: Let the number be x. Step 2: Double the number: 2x. Step 3: Add 31: 2x + 31. Step 4: Subtract 4: 2x + 31 - 4 = 2x + 27. Step 5: Set up the equation: 2x + 27 = 149. Step 6: Solve for x: 2x = 122, x = 61.

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