3 years ago

HELP! I will mark branliest, please answer this question!!! The value of x is ____?

Mathematics

1 answer:

aniked [119]3 years ago

4 0

45x+angle trs = 180 straight line

angle trs = 180-45x

angle trs + angle t + angle tsr = 180 (sum of angles in a triangle =180)

(180-45x) + 25x + 57+x = 180

combine like terms

180 +57 -45x+25x+x=180

237-19x=180

subtract 237 from each side

-19x =-57

divide by -19

x=3

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