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Anton [14]
3 years ago
10

What is the value of x in the equation x – y = 30, when y = 15?

Mathematics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

its 200

Step-by-step explanation:

...................................................................................................................................

sweet-ann [11.9K]3 years ago
5 0
Add y to both sides of the equation
  x - y = 30
  x - y + y = 30 + y
  x = 30 + y

Now, for y = 15
  x = 30 +15
  x = 45

_____
The answer choices don't match the posted question.
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