Seudónimo Seudónimo

21-09-2016
Mathematics

contestada

x + 7 - 4(x + 1)=10 what is the x numbers is

Respuesta :

DianaK3 DianaK3

21-09-2016

x+7-4(x+1)=10
x+7-4x-4=10 (expanded the brackets)
x-4x-4=3 (-7 from both sides)
x-4x=7 (added 4 to both sides)
-3x=7 (1x-4x=-3x)
x=7÷-3

Answer Link

Otras preguntas

Catalina y yo ____________________ té helado en el café. beben saben bebemos sabemos

Maximizing profits and sales, boosting market share, maintaining the status quo, and survival are common pricing objectives. a. True b. False

What is the value of r? (5, 2), (-7, r), m = 5/6

Suppose that the tuition for a university is $10,000 this year and tuition increases 7% every year. in how many years will the tuition be doubled?

Why did people prefer the telegraph to the Pony Express? a.It lasted longer. b.Messages were safer. c.Fewer people were needed. d.It was faster.

NEED HELP BEFORE MY BRAIN EXPLODES INTO A PILE OF MUSHY BRAIN TISSUE! -----------------------------------------------------------------------------------------

How many gallons of an herbicide are needed for 310 acres of corn if 1.4 liters per acre are applied?

Who says the following and why? "So I rule all this wealth with no great joy. You must have heard my story from your fathers, whoever they are—what hardships I

Sun yat-sen's plan for revolution in china called for the overthrow of the manchu dynasty, followed initially by the

True or false: One way in which psychologists are different from psychiatrists is that psychologists could not administer medication in the past.