Need answers ASAP
The measures of the angles of
△RST
are given by the expressions in the table.
Angle
Measure
R
31°
S
(x + 4)°
T
(3x + 9)°
Find the value of x. Then find the measures of angles S and T.
 
Enter your answers in the boxes.

x =
​
m∠S=
​º
​
m∠T=
​º