Answer:
x=22
Explanation:
If angle R is equal to (5x-40) then angle T is equal to (5x-40). So (5x-40)+5x=180 since angles R and T are supplementary angles.
(5x-40)+5x=180
5x-40+5x=180
+40. +40
10x=220
/10. /10
X=22
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