3 years ago

50 - 3n = 7n + 80I need help on the steps on doing this problem??

1 answer:

6 0

50 - 3n = 7n + 80
+3n +3n ( add 3n to both sides)
50 = 10n + 80
-80 -80 (subtract 80 from both sides)
-30 = 10n (divide both sides by 10)
n = -3

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