Объяснение:
СD=BD-BC
CD=27+X-(3x+47)=27+x-3x-47= - 2x-20
CD=CE-DE
CD=x+26-14=x+12
- 2x-20=x+12
-2x-x=12+20
-3x=32
X= - 32/3
CE=x+26= - 32/3+26=(-32+78)/3=
=46/3=15 1/3
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Объяснение:
СD=BD-BC
CD=27+X-(3x+47)=27+x-3x-47= - 2x-20
CD=CE-DE
CD=x+26-14=x+12
- 2x-20=x+12
-2x-x=12+20
-3x=32
X= - 32/3
CE=x+26= - 32/3+26=(-32+78)/3=
=46/3=15 1/3