volume_mute

What is the numerical value of the following expression?

publish date2022/08/20 11:25:00 GMT+10

volume_mute

for y = -4 and x = 3

-y -x

1
3
-1
4

Correct Answer

1

Explanation

Substitute 4 for y and 3 for x. Don’t forget to write the sign in front of (4).  

Simplify: -(-4) -3

-y -x =  -(-4) -3

         = 4 -3

         = 1

Reference

Mathematics for college students


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