SOLUTION: Given: x + y = 10. If x = -21, what is y? 11 -31 31

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Question 425589: Given: x + y = 10.
If x = -21, what is y?
11
-31
31




Answer by asuar010(338) About Me  (Show Source):
You can put this solution on YOUR website!
first substitute x into the equation and that gives -21+y=10; tthen solve for y and that gives y=10+21=31, that is the answer...