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

What word or phrase is modified by the prepositional phrase in the sentence below? Deidre asked the workers why they were working so early in the morning

carefully looking at an object or process

How are the mutations in a genome similar to printing a book? A) Every letter in a book resembles the mutations in the genome. B) Errors that appear in one copy

which word shares the same base word as creating? Fill in the circle next to the correct answer. A) creepB) crateC)creativeD) increase

Impact of atmosphere on life

Which element is a metalloid? a. argon (ar) b. silicon (si) c. potassium (k) d. magnesium (mg)

What is a good title without title by diane glancy?

A Lion asleep in his lair was awakened by a Mouse running over his face. Losing his temper he seized it with his paw and was about to kill it. The Mouse, terri

What is the purpose of ziggurats?

Which of the following choices is an effective way to fight desertification? -irrigation -urbanization -soil erosion -tree plantings