Answer:
angle PSQ = 45°
Explanation:
(3x+18)+(9x-27)=99
3x+18+9x-27=99
3x+9x+18-27=99
12x-9=99
12x=99+9
12x=108
x=108/12
x=9
if x equals 9 then; 3x+18
3(9)+18
27+18=45
hope this helps!! and goodluck with school :)
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