leahvanderpool1
leahvanderpool1 leahvanderpool1
  • 16-06-2020
  • Mathematics
contestada

Help please... I really didn’t understand this lesson.

Help please I really didnt understand this lesson class=

Respuesta :

cesargonzalez3713
cesargonzalez3713 cesargonzalez3713
  • 16-06-2020

Answer:

7(14)-11=87

2(14)-3=25

5(14)-2=68

Step-by-step explanation:

Ight Homie, lemme help you out.

To start, add (7x-11) + (2x-3) + (5x-2)

That should get you (14x-16)

Then set up the equation

14x-16=180

180 is the sum of the triangle angles. (if i said that right)

Then solve for x

14x-16=180

     +16   +16

14x=196                Divide

((14x)/14)=196/14

x should equal 14.

Then replace x with 14

7(14)-11=87

2(14)-3=25

5(14)-2=68

I hope this helps. Stay safe Homie!

Answer Link

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