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OpenStudy (anonymous):
The lines a and b intersect at point D. What is the value of z? z = the graph is below: http://static.k12.com/calms_media/media/1561000_1561500/1561011/1/78faf1bd5c48a3fe68a305b005ddfd42afbabb12/MS_IMC-1401104-109024.jpg
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OpenStudy (compassionate):
Okay. We know these are opposite angles, so they're going to be equal. Simply plug it into an equation 5z + 8 = 4 + 20 then solve
OpenStudy (anonymous):
can you show me how to do it so I can do the others myself
OpenStudy (compassionate):
Take 5z + 8 = 4z + 20 Then solve for z
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