01-05-2020
Mathematics

contestada

If the perimeter of this figure is 78 cm, what is the value of x?

If the perimeter of this figure is 78 cm what is the value of x class=

Respuesta :

kaylalg04 kaylalg04

01-05-2020

Answer: x=12

1st step: (2x – 3) + (2x –3) = 4x – 6

2nd step: 4x –6 + (12) = 4x + 6

3rd step: 4x + 6 + (2x) = 6x + 6

4th step: 6x + 6 = 78
–6 –6

5th step: 6x /6 = 72/6

6th step: x = 12

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