Hey there!
Step 1: Solve for x
=> 2x + 58 = 180°
Substract 58 from both sides
=> 2x + 58 - 58 = 180 -58
=> 2x = 122
Divide both sides by 2
=> 2x/2 = 122/2
=> x = 122/2
=> x = 61
Step 2: solve for y
=> y = 180 - 61
=> y = 119
Therefore, x = 61° and y = 119°