Answer:
19 - 28/n
n= 7
19 - 28/7
19-4
= 15
Step-by-step explanation:
The answer is 35
Since they are supplementary they both equal 180 degrees.
(3x+10)+(2x-5)=180
Add them up
5x-5=180
Subtract 5 from both sides
5x=180-5
5x=175
Divide 5 from both sides
x=35.
C
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