Step-by-step explanation:
7x-4+3x+14=180°
10x+10=180
10x=180-10
10x=170
x=170
10
x=17
hope it helps.
Answer: x = 17
Alternate interior angles add up to 180°
3x + 14 + 7x - 4 = 180°
Combine like terms
10x + 10 = 180
Subtract 10 from both sides
10x = 170
Divide both sides by 10
x = 17
