How do you solve #5( z + 4) + 1= 5#?

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Answer 1 · 2017-03-10T18:34:29

#z= -3 1/5 or -3.2#

#5(z+4)+1=5#

subtract #1#:

#5(z+4)=4#

divide by #5#:

#z+4=4/5#
#z+4=0.8#

subtract 4:

#z= 4/5-4#
#=4/5-20/5#
#= -16/5 or -3 1/5#

#z=0.8 -4 #
#= -3.2#