What is the value of x+y+z? Find x and B, if B =[2x+3x+2 is symmetric. -3

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.6: Segments Divided Proportionally
Problem 8E: Given: l1l2l3,AB=5,BC=x,DE=x2,EF=7 Find: x,BC,DE
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7 & 8 plss

7. Given: x + 3y - 2z=4; 2x+z= -3; and 2y + 3z = -1
What is the value of x+y+z?
8. Find x and B, if B=2x-3 x + 1]
4
x+21
is symmetric.
Transcribed Image Text:7. Given: x + 3y - 2z=4; 2x+z= -3; and 2y + 3z = -1 What is the value of x+y+z? 8. Find x and B, if B=2x-3 x + 1] 4 x+21 is symmetric.
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