sum of a number and 15 is -23 . Find the number. enthown number is mplify your answer.)

Denote unknown number as x: Let's denote the unknown number as x. According to the problem, the sum of x and 15 is -23. We can write this as an equation: x + 15 = -23Write equation for sum: To find the value of x, we need to isolate x on one side of the equation. We can do this by subtracting 15 from both sides of the equation: x + 15 - 15 = -23 - 15Isolate x in equation: Simplifying both sides of the equation gives us: x = -23 - 15Perform subtraction to find x: Now, we perform the subtraction on the right side of the equation: x = -38

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The sum of a number and $15$ is $-23$ . Find the number. (Simplify your answer.)

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Algebra 2

Composition of linear and quadratic functions: find a value

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Q. The sum of a number and

15

-23

. Find the number. (Simplify your answer.)

Denote unknown number as $x$ : Let's denote the unknown number as $x$ . According to the problem, the sum of $x$ and $15$ is $-23$ . We can write this as an equation: $\newline$ $x + 15 = -23$
Write equation for sum: To find the value of $x$ , we need to isolate $x$ on one side of the equation. We can do this by subtracting $15$ from both sides of the equation: $\newline$ $x + 15 - 15 = -23 - 15$
Isolate x in equation: Simplifying both sides of the equation gives us: $x = -23 - 15$
Perform subtraction to find $x$ : Now, we perform the subtraction on the right side of the equation: $x = -38$