Answer:x=2
Step-by-step explanation:
-3x-9=-15
-3x=-6
x=2
115 degrees because there are 180 degrees in a triangle so let the missing angle in the trinagle be x. Then we have x+75+40=180. Solving for x and subtracting that from 180 (supplementary angles) we get 115 degrees.
Answer:
X+2+4=6
Step-by-step explanation:
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