Answer:
Transitive
If x = 2y and 2y = 8, then x = 4.
I think the answer is the first one, because it needs to be negative. <span />
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
There are 11 mice in the box,
Answer:
-35
Step-by-step explanation:
Multiply by 7 to get rid of the denominator.
2z=-70
divide by 2 to isolate z
z=-35