dakotakgreen dakotakgreen
  • 02-09-2020
  • Mathematics
contestada

Which of the following represents “ 10 times the sum of a number and 14 is equal 9 times the number”?

Respuesta :

zarampa
zarampa zarampa
  • 02-09-2020

Answer:

The expressión is:

10(a+14) = 9a

and the number is:

-140

Step-by-step explanation:

The expression is:

10(a+14) = 9a

then:

10*a + 10*14 = 9a

10a + 140 = 9a

10a - 9a = -140

a = -140

Check:

10(-140+14) = 9*140

10*-126 = 1260

Answer Link

Otras preguntas

A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money? You must show all your working.
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
would you rather be a senator or a representative member? why or why not?
Factor completely, the expression: 2x^3-2x^2-12x
Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.
What are three interesting facts about Susan B. Anthony's childhood ?
In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)
Why does a pendulum eventually stop swinging?
what is the cubic root of - 250
How do you do this algebra question