xxrayah xxrayah

01-09-2016
Mathematics

contestada

What is the solution of 2x/5−x/2=40 ?

Respuesta :

mpanderla95 mpanderla95

01-09-2016

2x/5 - X/2 = 40
LCD = 10

2•(2x/5) - 5•(X/2) = 40
4x/10 - 5x/10 = 40
4x-5x/10 = 40
-X/10 = 40
10•(-X/10) = 40 • 10
-X = 400
-X/-1 = 400/-1
X = -400.

I believe the solution is that X = -400.

Answer Link

Otras preguntas

A sample of sulfur dioxide (SO2) is initially at a temperature of 155°C, a volume of 25 L, and a pressure of 950 mm Hg. If the volume changes to 30 L and the te

The length of the rope is 13 m, out of which 9 m of the rope is used for fixing a banner . Find the length of the remaining rope.

Please help me with all 6 questions ASAP DUE SOON AND SHOW WORK !!!!

35. When substances move in and out of cells using energy this is called: a. active transport b. passive transport c. activation energy d. selective transport

Stanley attempted to simplify the expression below. −4●(2.5x−1.25)−3x His work, step by step, is shown below. Step 1: −4●{(2.5x+(−1.25)}−3x Step 2:−10x+(−5)−3x

how are all of the nonmetal elements on the periodic table related in terms of ability to lose electrons?

A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all cases when it is not. Assume th

An individual wishes to deposit an amount of money now and $100 every year so that at the end of 10 years $1,500 will have been accumulated. With interest at 2%

After slavery was abolished in the South, what type of cheap labor did plantations rely on?

Which details from the text support the central idea of the passage? Check all that apply