Aminatasanyang2005 Aminatasanyang2005
  • 03-06-2020
  • Mathematics
contestada

okmarks
EE
Quiz
Solve the system of equations by elimination.
4x - 5y = 11 and -4x + y = 1
What is the solution?

Respuesta :

Thdev
Thdev Thdev
  • 03-06-2020

Answer:

x = - 1

y = -3

Step-by-step explanation:

4x - 5y = 11

-4x + y = 1        +

----------------------

-4y = 12

y = -3

Now, plug y = -3 back into any equation

-4x - 3 = 1

-4x = 4

x = - 1

Answer Link

Otras preguntas

Which of these describe the German invasion of France in World War II? A It was a slow, bogged down war, with trench to trench fighting and a deadly area calle
235*45 please help me
are all lines of symmetry also diagonals
How is the Civil Rights Act a show of federalism? a. The federal government decided that the best way to tax a hotel is to make it possible for as many people c
5 * 7 / 10 the product lies between ?
What the answer for amino acids:
Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all substances known. What is the appro
Kenya exchanges $200 for euros (€). Suppose the conversion rate is €1 = $1.321. How many euros should Kenya receive?
how do you factor 8x + 56
What is 70% of 700 on a test