The sum of x and -15 is 23

Mathematics

2 answers:

valkas [14]3 years ago

6 0

Answer:

Step-by-step explanation:

23+15=38 because in order to get 23 from -15 a negative number you need to have 38 to silence the -15.

mezya [45]3 years ago

4 0

Answer: x=38

Step-by-step explanation:

x+(-15)=23

x-15=23

+15 +15

x=38

When there is a positive and negative sign the negative sign cancels the positive sign.

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