Answer:
X= 67.25
Step-by-step explanation:
4x-35=234
Add 35 to both sides
4x= 269
Divide both sides by 4
Since they are supplementary, both angles add to 180
m∠1+m∠2=180
Plug the values in
(3x-17)+(5x+21)=180
Add like terms
8x+4=180
8x=176
x=22
Hope this helped :)