Answer:
x = 17
Step-by-step explanation:
Those two are alternate angles so they are equal.
4x - 10 = 58
4x = 58 + 10
= 68
x = 68 ÷ 4
x=33°
(4x-10)+58= 180° (being alternate angle)
4x-10=180-58
4x=122+10
x=132
4
hope it helps.
