How do you solve: -1+7n>-4(-7n-5)
1 answer:
-1 + 7n > -4(-7n - 5)
- 1 + 7n > 28n + 20
- 28n - 28n
---------------------------------
-1 - 21n > 20
+ 1 + 1
---------------------------
-21n > 21
-------- -------
-21 -21
n > -1
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