saulegonzalez004 saulegonzalez004
  • 19-10-2020
  • Mathematics
contestada

solve for x and then find the measure of

solve for x and then find the measure of class=

Respuesta :

afunn afunn
  • 20-10-2020

Answer:

x = 30°

<A = 132°

Step-by-step explanation:

<A = <B

5x - 18° = 3x + 42°,. solve for x

add 18° to both sides

5x = 3x + 60°

subtract 3x from both sides

2x = 60°

divide both sides by 2

x = 30°

substitute 30° for x in the equation for <A

5(30°) - 18° = 132°

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