angle DEF and angle XED are linear pair of angles,if angle DEF =5x+40 and angle XED =2x+70 ,findAngle DEF and angle XED
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Step-by-step explanation:
DEF
5x+40
= 5*63+40
=315+40
=355
XED
2x+70
=2*63+70
=126+70
=196
(2x+70)+(5x+40)=180
(2x+5x)+(70+40)=180
7x+110=180
7x=180-110
x=70-7
x=63
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