07-12-2014
Mathematics

contestada

4z+12=7z-9
Please explain every step to solve

Respuesta :

07-12-2014

[tex]4z+12=7z-9\ \ \ \ | subtract\ 7z\\\\ -3z+12=-9\ \ \ | subtract\ 12\\\\ -3z=-21\ \ \ | divide\ by\ -3\\\\ z=7\\\\ Solution\ is\ z=7.[/tex]

Answer Link

Otras preguntas

During the Depression foreclosure rates skyrocketed. What was the main cause? A.)People went into foreclosure when they left their homes to find jobs in other c

What which animals are the Minangkabau most connected A.cow B.buffalo C.elephant D.tiger

Confucius lived during a. the Shang dynasty, when rival lords vied for power. b. the Zhou dynasty, when rival lords vied for power. c. the Shang dynasty, which

micah divided 11 2/3 by 2 5/6 and got 4 2/17 for an answer. does this answer seem reasonable?explain your thinking. then check micah's answer.

If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed?

A sandbox has an area of 25 square feet, and the length is 6 1 over 2.(1 over 2 is a fraction) what is the width of the sandbox?

Which ordered pair is the solution to the system of equations? A. (1, 7) B. (4, 9) C. (7, 19) D. (8, 21)

A full year membership to a gym costs $325 upfront with no monthly charge. A monthly membership costs $100 upfront and $30 per month. For what numbers of months

by the 1890s how did Cubans view Spanish rule?

Karl bought a lawn mower for $450, and he charges customers $20 each to mow their lawns. He uses approximately $2 in gas for each lawn that he mows. How many la