Math

QuestionWrite an equation for "The sum of a number and 5 is -25" and solve for xx. What is the equation?

Studdy Solution

STEP 1

Assumptions1. The unknown number is represented by the variable xx . The sum of the unknown number and5 is -25

STEP 2

We need to write an equation representing the verbal sentence. The sentence states that the sum of a number and5 is -25. In mathematical terms, this can be written asx+5=25x +5 = -25This equation represents the verbal sentence.

STEP 3

To find the value of xx, we need to isolate xx on one side of the equation. We can do this by subtracting5 from both sides of the equation.
x+55=255x +5 -5 = -25 -5

STEP 4

implify the equation to find the value of xx.
x=25x = -25 -

STEP 5

Calculate the value of xx.
x=255=30x = -25 -5 = -30The unknown number is -30.

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