How do you solve #-16>=5(2z-11)# and graph the solution on a number line?

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Answer 1 · 2017-08-09T11:08:58

#3.9>=z or z<=3.9#

graph{x<=3.9 [-14.24, 14.24, -7.12, 7.12]}

#-16>=5(2z-11)#

#=> -16>=(5*2z)+(5*-11)#

#=> -16>=10z+(-55)#

#=> -16>=10z-55#

#=> -16+55>=10z#

#=> 39>=10z#

#=> 39/10>=z#

#=> 3.9>=z or z<=3.9#

graph{x<=3.9 [-14.24, 14.24, -7.12, 7.12]}