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Given: x + y = 10. If x = -21, what is y?
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2 votes
Given: x + y = 10.
If x = -21, what is y?

User Serif
by
4.8k points

2 Answers

3 votes

Answer:

31.

Explanation:

-21 + 31 = 10

x + y = 10

y = 31

User Snewedon
by
5.0k points
5 votes
y=31
You have to work backwards to isolate y. You would at 21 to both sides and get y = 31
User Ilya Gazman
by
5.2k points
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