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OpenStudy (anonymous):
Subtract: (4n + 7) - (7n - 8)
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OpenStudy (anonymous):
that's -3n-1
OpenStudy (jack1):
no
OpenStudy (anonymous):
oh ok
OpenStudy (anonymous):
it's -3n+15
OpenStudy (anonymous):
right?
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OpenStudy (jack1):
(4n + 7) - (7n - 8) \(\large (4n + 7) - (7n - 8)\) \(\large 4n + 7 - 7n -- 8)\) \(\large 4n + 7 - 7n + 8)\)
OpenStudy (jack1):
yep, -3n + 15
OpenStudy (anonymous):
ok thanks
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