01-05-2020
Mathematics

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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=

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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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