vgutierrez01 vgutierrez01
  • 01-12-2020
  • Mathematics
contestada

Question 6 (1 point)
What is the solution to the systems of equations below?
4x - y = 20
-2x - 2y = 10
Blank 1:

Respuesta :

2307391 2307391
  • 01-12-2020

Answer:

y=-8 and x =3

Step-by-step explanation:

4x - y = 20 and -2x - 2y = 10

if we multiply the second equation by -2 we have:

4x + 4y = -20 and 4x - y = 20

we subtract the two equations and we have

5y = -40 so y=-8 which means x= 3

Answer Link

Otras preguntas

A large bacterium measures 750 micrometers in diameter. One micrometer = 10 − 6 meters. How would you express the diameter of the bacterium in meters using scie
write a definition for cell, tissue, organ, and organ system. Give an example of each of these in your body.
Find a number such that its two-third is equal to 5/4
there are 4 questions easy 1.The triangle ABC has the vertices A(-9, -3) B(1. -3), C(-9, 6) What is the length of the side between points A and C? A.9 B.3 C.0 D
How can nationalism be both a unifying and disunifying force
an object is moving at 60m/s and has a mass of 5 kg what is its momentum​
dividing radicals Simplify
Transform the given function f(x) as described. f ( x ) = x 3 Translate right 2 units Translate up 3 units
How many states is there in the United States?
can someone help?? 5/5