makenzienations makenzienations
  • 15-01-2020
  • Mathematics
contestada

X-3y=17
-6x+5y=-11
Solving systems by substitution

Respuesta :

donutbeelazy donutbeelazy
  • 15-01-2020

Answer: x=-4, y=-7

Step-by-step explanation:

x-3y=17 Add 3y to both sides to isolate x.

x=3y+17 Now you can substitute this into the other equation.

-6(3y+17)+5y=-11

-18y-102+5y=-11

-13y-102=-11

-13y=91

y=-7 Substitute this back into any equation to find x.

x-3(-7)=17

x+21=17

x=-4

Answer Link

Otras preguntas

divide 33 photos so the ratio is 4 to 7
which of the following foods contains hidden fats? zucchini, chocolate cake, olive oil, butter
How do you solve 1/3h-4(2/3h-3)=2/3h-6?please show how you found the answer.
How do the changing seasons impact Persephone and Demeter's,relationship
Using the data from number 1 (use σ for the standard deviation when using the CV formula and do not round off unitl the final step), find the coefficient of var
The Red Sea is a body of water formed where the African and Arabian plates are separating from one another. This sea is an example of a landform created by ____
a hotel has 128 rooms on each floor. there are 4 floors in all.if 334 of the rooms in the hotel have been cleaned how many rooms stilll need to be cleaned?
does the temperature increase during melting yes or no
A noun that completes an action is called a/an a. predicate. b. complement. c. object. d. subject.
Who do you write 23 3/8 as a decimal