essylynnh
essylynnh essylynnh
  • 06-03-2019
  • Mathematics
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URGENT!!!Find the value of x.

URGENTFind the value of x class=

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Ivyesunu
Ivyesunu Ivyesunu
  • 06-03-2019

a x=12

the sum of angles in a triangle is 180

53+39+4+7x=180

96+7x=180

7x=86

x=84/7

x=12

b. sum of angles in a triangle is 180

5x+(6x-5)+75=180

5x+6x-5+75=180

11x+70=180

11x=180-70

11x=110

x=110/11

x=10

that's how to solve it

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