opmac3344 opmac3344

03-12-2020
Mathematics

contestada

KMZ~ KDH; find z.
F
21
D
6x + 3
E 17
G
8x-1
C

KMZ KDH find z F 21 D 6x 3 E 17 G 8x1 C class=

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Аноним Аноним

03-12-2020

Answer:

x=8

Step-by-step explanation:

Triangle DCE is similar to EGF

CE/EF=DE/EG

Substitute

(8x-1)/21=(6x+3)/17

Cross multiply

(8x−1)*(17)=(6x+3)*(21)

136x−17=126x+63

Subtract 126x from both sides

10x−17=63

Add 17 to both sides.

10x−17+17=63+17

10x=80

Divide both sides by 10.

x=8

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