02-06-2017
Mathematics

contestada

What is the solution to the system of equations x-y=-1 and x-3y = 13

Respuesta :

Osiris7 Osiris7

02-06-2017

Using process of substitution.

x-y+y=-1+y

x=-1+y

Now substitute into x-3y=13

-1+y-3y=13
-1+1-2y=13+1
-2y=14

y=-7

Therefore, x= -8

Answer Link

Otras preguntas

Construct a word by using the root word and the prefix. Prefix Root hex - (six) ennial (year)

During the Meiji period, Japan began building an empire, as Europe had done. Wars with China and Russia at the turn of the 20th century led to Japanese control

What is the meaning of the suffix -ate? in a certain way full of without to make or apply

Variable y varies directly with variable x, and y = 6 when x = 4. Enter the constant of variation in lowest terms. y =__x

En qué año nació Jorge Washington

If the prefix post- means “after,” what does postpone mean? to hold after to drive after to place after to send after HELP!!!!!! HELP!!!!!

What's is the answer to 6804 divided by 81?

What is the relationship between graduating high school and earning income?

Fredrick is doing a lab on pH. He uses many household items to determine the pH of his items. Which of his actions best describes inappropriate lab safety? He c

EZ car rental charges $40 a day plus $.25 per mile Ace Rent-A-Car charges $25 a day plus $.45 per mile what number of miles result of the same cost for one day