sulv
sulv
23-03-2019
Mathematics
contestada
{-4x + 4y = -8
{ x - 4y = -7
Respuesta :
Qhusk
Qhusk
23-03-2019
I assume you're doing elimination, so
The + 4y and - 4y would cancel out, giving you:
-4x = -8
x = -7
Then, you subtract the x values and add the -8 and -7
-3x = -15
Your answer will be
*x = 5
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
How Close to the edge of a 20kg table, can a 66kg person sit without tipping it over? The table is 2.2m long and there are two legs placed 0.5 m from each end
Find the lim [(ln(x+5) - ln5) / x ] as x approaches 0 ...?
What is the difference between decantation and extraction in lab? ...?
if f(x)=-4x^2 + 5x and if g(x)=2x^2 what is (f ○ g) (4)*I remember my teacher saying the open circle does not mean multiply?
The temperature, in degrees fahrenheit (° f., decreased at a constant rate from 0°f to -25 °f in 5 hours. by how many degrees did the temperature decrease per h
What is orwell trying say about the nature of human beings?
Which of the following is not considered to be a rock? coal sandstone pumice lava
What were the non-treaty results of the French and Indian war? HELP!!!! ...?
An airplane is heading due south at a speed of 600 km h. If a wind begins blowing from the southwest at a speed of 100 km h (average), calculate: (a) the v
how would ypu describe the lysogenic cycle
