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3 years ago

The perimeter of the triangle is 202cm. Using that find the value of x

Mathematics

2 answers:

IgorLugansk [536]3 years ago

8 0

Answer:

x = 13

Step-by-step explanation:

3x + 12 + 5x + 16 + 4x + 18 = 202

combine like terms

12x + 12 + 16 + 18 = 202

12x + 46 = 202

-46 -46

12x = 156

divide by 12

x = 13

Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!!

-Lil G

laila [671]3 years ago

3 0

Add all the sides together (don´t forget parenthesis) Put the x´s with the x´s and the same with the other numbers. The subtract additional numbers from the total. The divide what left from the number in front of the x.

(3x + 12) + (5x + 16) + (4x + 18) = 202

8x + 28 + (4x + 18) = 202

12x + 46 = 202

- 46 -46

12x = 156

/12 /12

x = 13

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