3 years ago

What is the solution to this system of linear equations? 2x + y = 1 3x – y = –6

Mathematics

2 answers:

wolverine [178]3 years ago

5 0

Answer:

(1,-1) aka B Is correct on E2020

Hope this helps!

Step-by-step explanation:

I just took the test and this was right

jenyasd209 [6]3 years ago

3 0

2x + y = 1 . . . (1)
3x - y = -6 . . . (2)

(1) + (2) => 5x = -5 => x = -5/5 = -1

From (1), 2x - 1 = 1 => 2x = 1 + 1 = 2 => x = 2/2 = 1

x = 1, y = -1

You might be interested in

Find an equation for the line with slope m= -2/3

sashaice [31]

Answer:

y = -2/3x + 18

Step-by-step explanation:

to find the y intercept you should input the points 15,8

sooo

8 = -2/3(15) + b

8 = -10 + b

b = 18

3 0

3 years ago

Which inequality is represented by the number line graph?

dem82 [27]

Answer:

x ≥ -3

Step-by-step explanation:

The shaded circle means it is equal to as well.

6 0

3 years ago

Which algebraic expression is a difference with two terms?

arlik [135]

Answer:

Step-by-step explanation:

6x - 9

Here, 6x is a term and -9 is another term

5 0

3 years ago

Brianna has 4 pink bracelets. One third of all her bracelets are pink . How many bracelets does Brianna have ?

Korvikt [17]

Answer:

Total number of bracelets Brianna have are 12 .

Step-by-step explanation:

Let us assume that the total numbers of the bracelets be x .

As given

Brianna has 4 pink bracelets.

One third of all her bracelets are pink .

Than the equation becomes

$\frac{1\times x}{3} = 4$

Simplify the above

x = 4 × 3

x = 12

Therefore the total number of bracelets Brianna have are 12 .

4 0

3 years ago

Read 2 more answers

A right triangle has two legs with measure of 12 inches and 15 inches. Find the length of the hypotenuse to the nearest tenth of

Len [333]

Answer:

19 inches

Step-by-step explanation:

12^2+15^2=c^2

c=19.2094

4 0

3 years ago