(7x - 23)° + (11x + 23)° = 180°
7x - 23° + 11x + 23° = 180°
18x = 180° / : 18
x = 10°
Answer:
0.5
Step-by-step explanation:
500/1000 = 0.5
0.5 * 1000 = 500
Answer:
2x and the blank should be 2x as well
Step-by-step explanation:
all of them are being doubled
