impastatocarlie impastatocarlie

18-05-2018
Mathematics

contestada

uss addition or substitution to find the value of 'x' for this set of equations
y=x-2
7y-4x=10

Respuesta :

Skøll1922 Skøll1922

18-05-2018

If y=x-2 we can write
7(x-2)-4x=10
so:
14x-14-4x=10
14x-4x=10+14
10x=24
x=24/10
x=12/5

Hope this helped!

Answer Link

Otras preguntas

A pilot can travel 450 miles with the wind in the same amount of time as 396 miles against the wind. Find the speed of the wind if the pilot's speed in still a

CHINESE!!, I need help please ASAP

The surface area of a 2 cm x 2 cm cube is 24 cm2. If the 2 cm x 2 cm cube is cut in half, what is the sum of the surface area for both halves and how would it a

A sample of gas consists of 4.0 moles, and exists at stp. What is the volume of the gas?

what are the coordinates for the center of the circle in the length of the radius X squared plus Y squared minus X minus 2Y -11 over four equals zero

Does the movie possess relevance in the contemporary world?

Which of the following are the most common prokaryotic cell shapes? (Choose all that apply) bacilli cocci ooo arcula spirilla

FORMAL LETTERYou and a large number of other learners arrive early at school every dayHowever, the gates are locked, and you are forced to wait outside.Write a

the best answer it requests services, data and other resources available on the server

I can't stand queuing in the bank. I'm going to give up smoking tomorrow. Are these two sentences grammatically correct?