Olivia092703 Olivia092703

19-12-2018
Mathematics

contestada

find the value of x. please show step by step!! will award brainliest :)

find the value of x please show step by step will award brainliest class=

Respuesta :

helloejik helloejik

19-12-2018

Answer:

x=21 degrees

Step-by-step explanation:

<J congruent <E (Base Angles Theorem)

90+(7x+3)+(7x+3)=180 (Sum of Angles in a Triangle)

96+14x=180 (Algebra and Substitution)

180-96=`4x

84=4x

x=84:4

x=21

Hope this helps! <3

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