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

what are two human uses for mosses?

What long-term effect do you think EU membership will have on nationalism in Europe? Explain.

Locate the gerund and identify its use.Wrestling alligators seems both foolish and dangerous.

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W

Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W

how do I solve this proportion?

Heating zinc sulfide in the air causes the formation of

What are good book to read from war times about family / adoption / giving up of children

Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )