estamper estamper
  • 02-07-2014
  • Mathematics
contestada

solving equations
what is the value of x 
8x+9=5x+18

Respuesta :

AL2006
AL2006 AL2006
  • 02-07-2014
8x + 9 = 5x + 18

Subtract 9 from each side:

8x = 5x + 9

Subtract 5x from each side:

3x = 9

Divide each side by 3 :

x = 3
Answer Link
Riyo13
Riyo13 Riyo13
  • 02-07-2014
8x+9=5x+18
⇒8x-5x=18-9
⇒3x=9
⇒x=9/3
⇒x=3
Answer Link

Otras preguntas

How was apartheid implemented in South Africa? What were the economic consequences of apartheid?
What is the value of r in the equation -1.5(4-r)=-12? –6 –4 4 6
A box contains all the letters of the word UNDERSTAND. What is the probability of selecting an 'N' first and a 'D' next, if the first letter is replaced? 1/25 3
Place in order the events that occur in the short run when the Federal Reserve enacts expansionary monetary policy. a. The increased borrowing leads to increas
A function has a discriminant of 25. How many x-intercepts does it have?
Find out about modern trends and advancement in land, water and air transportation.YOU NEED COPY THEN ASK. the good one will be brainest.
Which of the best following summarizes Trends in American literature and music in the 1920s
Which waves give off heat?
Tengo mucha hambre. ¿Ud.un buen restaurante italiano?​
Emily's cousin, Victor, is planning a trip to the United States to visit his American cousins. Below is an email that Victor's cousins have written him. Read th