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dem82 [27]
3 years ago
11

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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