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OpenStudy (lexixd):
Given: x + y = 10. If x = -21, what is y?
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OpenStudy (steve816):
\[-21 + y = 10\]
OpenStudy (steve816):
Now, what do you think you have to do to isolate y?
OpenStudy (lexixd):
wait do you add 21 to both sides? @steve816
OpenStudy (lexixd):
wait what?
OpenStudy (lexixd):
nvm ... got some help.
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