amykookie24
amykookie24 amykookie24
  • 02-02-2019
  • Mathematics
contestada

2x minus y equals 6, x plus y equals negative 3

Respuesta :

zanaplen27
zanaplen27 zanaplen27
  • 06-02-2019

Answer:

y=-4, x=1

Step-by-step explanation:

2x-y=6                  x+y=-3

2(-3-y)-y=6            x=-3-y

-6-2y-y=6              x=-3+4

-3y=12                    x=1

y=-4

Answer Link

Otras preguntas

what's another word for over thinking?
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
How do you?...Multiply out and simplify 10(2x-1)-20x?
How do you?...Multiply out and simplify 10(2x-1)-20x?
Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
Why is sodium sulphate hemihydrate called as "Plaster of Paris"?
The function of the eardrum in the middle ear is to
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
how do you write 4540 million in standard form?