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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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PRE-FINAL REVIEW
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The equation that can be used to represent total tickets sales is 2170 = 5s + 2f + 10a

<h3>Equation</h3>

let

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  • Number of faculty tickets = f
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Expression for number of students tickets sold;

s = f + 15

Expression for number of faculty tickets sold;

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Expression for number of alumni tickets sold;

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a = f/2

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