angelapatriciapiedra angelapatriciapiedra

04-11-2021
Mathematics

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7. the perimeter of a triangle is 80cm. write and simplify an equation to solve for x.

7 the perimeter of a triangle is 80cm write and simplify an equation to solve for x class=

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evelyntang690 evelyntang690

07-11-2021

Answer:

X = 18

Step-by-step explanation:

(x+3)+(x+3)+(3x-16) = 80

5x-10 = 80

5x = 80+10

5x = 90

x = 90/5

x = 18

hope that helped!

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