
Kenneth S. answered 12/18/17
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Your question is not well designed.
The expression for 4 less than 16 is 16-4, i.e. 12.
What do you mean "and 6 more?" Do you mean that you wish to now add 6 to that 12?
The word equation should not be used here.