2(60-(250-z/3))=z-110 how to find z?

1 Answer
Xr.Shim
May 27, 2018

z = -810

Explanation:

#2(60-(250-z/3))=z-110#
#2((60*3)/(1*3)-((250*3)/(1*3)-z/3))=z-110#
#2(180/3-((750)/(3)-z/3))=z-110#
#2(180/3-(750)/(3)+z/3)=z-110#
#180/3-(750)/(3)+z/3=(z-110)/2#
#(z-570)/3=(z-110)/2#
#2(z-570)=3(z-110)#
#2z-1140=3z-330#
#-1140+330=3z-2z#
#z=-810#

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