Ok if there is 423 dogs and 56 big dogs need to sub the dogs and you get
423-56=357 big dogs
SO there are 357 dig dogs
Answer:
Step-by-step explanation:
9=-d+17
(add d to both sides because it is the opposite of subtracting)
9+d=17
(subtract 9 from both sides because it is the opposite of adding)
d=17-9=8
Answer:
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Step-by-step explanation:
There should be a typo in the question: the correct formula would be

Let's compute
first. We have

If we intersect this set with X, we have

So, that would be the left hand side. For the right hand side, we have

And their union is again 