8x+18=40 18 x=9 88

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.4: Powers Of Monimials
Problem 7OE
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Question
m/XYW?
3x+9+5x+9 = 90
sta
8x+18=90
18 -18
8x=72
g 8 8
Noo
2 XYW = 54
<XVZ = 36
x=9
37. ABC and ZDEF are supplementary angles. The measure of ZDEF is twenty degrees less than three times the
measure of ZABC. What are m/ABC and m/DEF?
GV=2=CBSE
Transcribed Image Text:m/XYW? 3x+9+5x+9 = 90 sta 8x+18=90 18 -18 8x=72 g 8 8 Noo 2 XYW = 54 <XVZ = 36 x=9 37. ABC and ZDEF are supplementary angles. The measure of ZDEF is twenty degrees less than three times the measure of ZABC. What are m/ABC and m/DEF? GV=2=CBSE
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