16-09-2016
Mathematics

contestada

Is 1/5 a solution of X+3/4-x=13/15

Respuesta :

nobillionaireNobley nobillionaireNobley

17-09-2016

(x + 3)/(4 - x) = 13/15
15(x + 3) = 13(4 - x)
15x + 45 = 52 - 13x
15x + 13x = 52 - 45
28x = 7
x = 7/28 = 1/4

Therefore, 1/5 is not a solution

Answer Link

Otras preguntas

By controlling trade, three great kingdoms developed in West Africa. These were the kingdoms of Ghana, Mali, and ______. Fill in the blank.

Which causes malaria, African sleeping sickness, and amoebic dysentery?A. FungiB. VirusesC. BacteriaD. Protists

Calculate the electrical energy expended in a device across which the circuit voltage drops by 50 volts in moving a charge of 6 coulombs.

scientists use the Celsius scale as the si unit of temperature. True or False

give some facts on Sputnik

explain why it is usually only necessary to test one point when graphing an inequality

many popular beverages are sold in two-kilo bottles. true or false

What value was there in predicting the properties for gaps in Mendeleev's table?

what does 'chop and change' mean?

why was sputnik important?