syuen661 syuen661

05-01-2021
Mathematics

contestada

Solve the system of linear equations by elimination. Check your solution.

Solve the system of linear equations by elimination Check your solution class=

Respuesta :

xianaet xianaet

05-01-2021

Answer:

x = 3

y = -1

Step-by-step explanation:

(x-y) + (x+y) = 4 + 2

2x = 6

x = 3

sub x=3 into x+y=2

3+y=2

y=2-3

y=-1

Check by subbing x=3 and y=-1 into x-y=4

(3)-(-1) = 3+1 = 4

Answer Link

Otras preguntas

how does the law of conservation of energy apple to virbatioin

- {(-2, 6), (2.0), (3,6), (4, -1), (5,3)} is it a function

Help me work this out please

5. Solve for x. 6. Solve for (9x - 16) I (3.1 + 11) (7x - 5) ments X = 7 Find m

HELP 20 POINTS What is the frequency of an Electromagnetic wave has with wavelength 2.94 x 10^-8 cm?

What was the result of medical advancements made during the Gupta Empire? quarantine of the sick proper diet and nutrition vaccination against disease education

Please help meeeeeee

Find the value of n that makes DEF-XYZ when DE = 4, EF = 5, XY = 4(n + 1). YZ = 7n - 1, and

Which of the given character development criteria will get your audience to empathize with your character? OA. motivation B. having a secret O c. vulnerability

When reflecting upon the newer generation, each older generation says the same thing: