korbinwilkinsen korbinwilkinsen

08-05-2017
Mathematics

contestada

Will give a brainliest!

What is the value of x in the solution to the following system of linear equations?

y=x-1
y=2x+1

–3
–2
–1
0

Respuesta :

Destroyer123skate Destroyer123skate

08-05-2017

the answer is 2- im 100 percent is right

Answer Link

apologiabiology apologiabiology

09-05-2017

since both equal y
x-1=y=2x+1
x-1=2x+1
minus x both sides
-1=x+1
minus 1 both sides
-2=x

value of x is -2

Answer Link

Otras preguntas

Wat do Shang artifacts reveal about this civilization.......I need help please

Fires in forests can sometimes be stopped by cutting down trees to make a gap (called a 'fire break'). Which part of the fire triangle does this remove?

which of the following binomials is Not prime? a. 2x+1 , b. 3x+2 , c. x2-4 , d. x2+8

Solve 4/(x + 1) - 1/x = 1 over the real numbers.

write 30/5 as a whole number

MULTIPLY POLYNOMIALS (8p-2)(6p+2)

Cellulose is a complex carbohydrate that makes up the cell walls of plants. Which of the following elements are main components of cellulose? A. calcium and chl

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.

Which two of these are chemical reactions? Tick two boxes. You dissolve a spoonful of sugar in water. Bread goes brown in the toaster. You tak

Which substance reacts with an acid to form hydrogen gas?