Answer:
When any value will make the expression equivalent when evaluated.
Step-by-step explanation:
8z − 4 = 7z
move 8z to the other side
sign changes from +8z to -8z
8z-8z-4=7z-8z
-4= 7z-8z
-4= -z
mutiply both sides by -1 to get +z
(-4)(-1)= (-z)(-1)
Answer:
z= 4
Answer: your answer would be
x-30y=100 and 10y = x - 20
Step-by-step explanation:
Its A you just have to count the lines and say the numbers 1-4
Answer:
2 hours and 30 minutes to fill it up
Step-by-step explanation:
