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OpenStudy (anonymous):
15-3n=n-1
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OpenStudy (lgbasallote):
add 3n to both sides 15 = n - 1 + 3n add 1 to both sides 15 + 1 = n + 3n combine like terms 16 = 4n divide both sides by 4 4 = n does that help?
OpenStudy (anonymous):
yes
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