720° cause in 1 hour it rotates 360° meaning of you multiple by 2 it's 720°
substitute x for y-1
2(y-1)-y=6 distribute
2y-2-y=6 subtract y in 2y
y-2=6 add 2 to get y by itself
y=8
Put y back into equation x=y-1
x=8-1
X=7
Its 5y sorry if it’s wrong
Answer:
Its C
Step-by-step explanation:
