aprinacheba aprinacheba
  • 13-03-2017
  • Mathematics
contestada

Solve for z: 23 – 3z = –4
a. z = 9
b.
c. z = –24
d. z = 81

Respuesta :

zaqwsx
zaqwsx zaqwsx
  • 13-03-2017
the correct answer is A. z=9
Answer Link
brookskinner brookskinner
  • 13-03-2017
23 - 3z = -4
+4           +4
-----------------
27 - 3z = 0
     +3z    +3z
------------------
27= 3z
/ 3     /3
-----------
z = 9
Answer Link

Otras preguntas

help asap please, forgot how to do math :)
Simplify the following expression: 4n - m + 3p + 2m - n - p
please help me quickly will give brainliest
What are the major causes of social problems and evils ?​
Please put the following symptoms of the common cold in the order in which they usually appear. Runny nose, itchy throat, cough, chest congestion
WHAT IS A COMPUTER??????​
plz answer the question correctly plz if it's wrong plz correct it​
true/false: the vertical axis in a bar chart always shows relative frequencies
5x^2 - x + 9 when x = -5
The difference between the compound interest and simple interest on a certain sum at 10% per annum for 2 years is ₹157. Find the sum​