write an equation. let x be the unknown number.
nine is seventeen more than two times a number

Unknown number, x=-4

Step-by-step explanation:

Forming the equation from the information provided above.  

9=2x+17

If we solve for the unknown number, we first collect like terms together.

2x=9-17

2x=-8

Divide both sides of the equal sign by 2 the coefficient of x

x=-4

x = -4

Explanation:

We are given the following statement which we are to translate into a mathematical equation and then solve it:

'nine is seventeen more than two times a number'

Assuming to be the unknown number, this can be written as:

Solving for x:

Therefore, the unknown number is -4.

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

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step-by-step explanation: