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 :

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

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