codyathomas17 codyathomas17

25-09-2017
Mathematics

contestada

Given the system of equations, what is the solution?

x + 2y = 7
x - 2y = -1

Respuesta :

Аноним Аноним

25-09-2017

Add the 2 equations to eliminate the 2y. We get

2x = 6

x = 3

Plug x = 3 into the first equation:-

3 + 2y = 7
2y = 7 - 3 = 4

y = 2

Answer is x = 3 and y = 2

Answer Link

Otras preguntas

What did Katherine johnson do to become famous

The decimal numbering system is also known as _____. A. Base 16 B. Base 2 C. Base 4 D. Base 10

HELP!!!!!!!! Define mechanical energy. Using the example of the skateboarder on the half-pipe, explain how kinetic and potential energy relate to the mechanical

A group of words that function together in a sentence, but don’t include both subject and verb is a _____.

$375 at 4% for 5 years (plz show work too)

Find the value of the factorial of 11!

At noon the temperature on Jessica's porch was 75degreeF. Then the temperature dropped d degrees. By midnight, the temperature on the porch was 63degreeF. Write

Which of the following would be considered applied science questions?

Which of the following statements describes the paintings of French Rococo artist Antoine Watteau Watteau's art contains delicate, lively brushwork and subt

What is the present perfect progressive tense of the verb (to investigate.) Detectives _____ for months. were investigating have investigated investigate have b