angelisd531 angelisd531

10-02-2021
Mathematics

contestada

I need help with this!!!

I need help with this class=

Respuesta :

nandu06 nandu06

10-02-2021

Answer:

6) cd =ef

becoz opp sides of a rectangle are equal

so, 3x+5=7x-39

3x-7x= -39-5

-4x = - 44

( minus and minus gets cancelled)

x= 44/4

x = 11

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