Answer:
-6/7
Step-by-step explanation:
-14+12+9z-16z=0
-6-7z=0
Add 7z to both sides
-6=7z
Divide both sides by 7
z=-6/7
Therefore the value for z is -6/7
Answer:
Daniel is charged $900
Step-by-step explanation:
This is because 9 percent of 5000 is 450. Multiply 450x2 and get 900.
Answer:
10 miles
Step-by-step explanation:
Find how much she runs during one track practice by dividing 8 by 4. This gives you the equation 2x, with x being the number of track practices.
Answer:
a
Step-by-step explanation:
