The sum of -4 and a number is equal to -48 what is number, Mathematics

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The sum of -4 and a number is equal to -48. What is the number?

Let x = the number. Because sum is a key word for addition, the equation is -4 + x = -48. Add 4 to both sides of the equation; -4 + 4 + x = -48 + 4. The variable is now alone: x = -44.


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