Posted by Lavern on Friday, January 20, 2012 at 3:24pm.
please solve
4x is greater than or equal to 20

math problem  christy, Friday, January 20, 2012 at 3:33pm
subtract 4 from each side and then you are left with x is greater than or equal to 16

math problem  Steve, Saturday, January 21, 2012 at 12:19am
Since it's 4x (not 4+x) you need to divide by 4, not subtract 4:
4x >= 20
x >= 5
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