Paolandia1 Paolandia1

24-04-2021
Mathematics

contestada

Use substitution to solve the system of equations :

4x+ y =0
2y + x = -7

Can u please help me . With process too.

I will appreciate !!

Thank you!!

Respuesta :

AntonioApoyo AntonioApoyo

24-04-2021

Answer:

x=1

y=-4

Step-by-step explanation:

4x+y=0 -> y= -4x

2(-4x)+x=-7

-8x+ x=-7

-7x=-7

x=-7/-7=1

y=-4 . 1 = -4

Answer Link

Otras preguntas

What is x . ABC~ DEF

7. Which equation is correct?

Express as a sum of logarithms.[tex] log_{2}(16 \times 24) [/tex]

Fifteen people were asked how many days it had been since they had eaten more than 50 grams of carbohydrates in a single day. The results are shown above. What

solve the following equation 5-4sin²x + 4cosx =0

Which equation of a line is perpendicular to y=-1/3x+4? a. y= -1/3x +4 b. y= 3x+2 c. y= -1/3x-4 d y= 1/3x+4

the negative impacts of human rights violations to the community

please help me this

Jenny has six cards. Each card has a whole number written on it so that the smallest number is 5 the largest number is 24 the median of the six numbers is 14 th

A. A cord passing over an easily turned pulley (one that is both massless and frictionless) has 7kg mass hanging from one end and a 9kg mass hanging from the ot