4 years ago

5x-y=-15 x+y=-3 USE SUBSTITUTION METHOD

Mathematics

2 answers:

Kobotan [32]4 years ago

7 0

Answer:

5x - y = -15

x + y = -3 ===> y = -3 -x

5x - (-3 - x) = -15

5x + 3 - x = -15

5x - x = -15 -3

4x = -18

x = -18/4

x = -4.5

x + y = -3

-4.5 + y = -3

y = -3 + 4.5

y = 1.5

Rzqust [24]4 years ago

5 0

What I got was x= -3 and y=0

5x-y=-15

x+y=-3

y=-3-x

5x-(-3-x)=-15 (solve for X)

x=-3

y=-3-(-3)

y=0

(-3,0)

You might be interested in

You and a roommate are hosting a party. You invite 10 other pairs of roommates. During the party you poll everyone at the party

solong [7]

The orders of pairs are 23

5 0

3 years ago

Graph the following systems of equations and determine the solution of the system .

Zanzabum

Answer:

We can find the solution to a system of equations by graphing the equations. Let's do this with the following systems of equations:

8 0

3 years ago

The length of a garden is 25 feet.

user100 [1]

Answer: 686ft

Step-by-step explanation: 0

6 0

3 years ago

HURRY ILL GIVE YOU BRAINLIEST!! Select the correct answer.

Artist 52 [7]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

If f(x)= 2x^2+1, what is f(x) when x=3

givi [52]

Hey there!

f(x) = 2x^2 + 1

y = 2x^2 + 1

y = 2(3)^2 + 1

3^2

= 3 * 3

= 9

y = 2(9) + 1

2(9) = 18

y = 18 + 1

y = 19

Answer: y = 19

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

8 0

3 years ago