152k views
4 votes
If GH=7z-1 and BC=4z-3 what is GH​

User Titan
by
7.8k points

1 Answer

4 votes

Answer:

-17/3

-5.666667

Explanation:

Assuming GH≅BC

You can write this equation to represent the problem:


7z-1=4z-3

Then, just solve for z:


7z=4z-3+1\\7z-4z=-2\\3z=-2\\z=-(2)/(3)

Now, plug that back into GH:


7(-(2)/(3))-1\\\\-(14)/(3)=1\\\\-(17)/(3)

Thats -17/3, or -5.666667

User Alex Rockwell
by
8.1k points

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