garrett8552 garrett8552

03-12-2020
Mathematics

contestada

69,5)
)
Solve each system of equations by elimination
9. x + y = -5
x - y = 9

Respuesta :

oscar236 oscar236

03-12-2020

Answer:

(2, -7).

Step-by-step explanation:

x + y = -5

x - y = 9 Adding, to eliminate y:

2x = 4

x = 2

Plug this into first equation:

2 + y = -5

y = -5 - 2

y = -7.

Answer Link

Otras preguntas

PLEASE HELP? Which of the following inequalities is true according to the number line?

An insulating plastic rod is charged by rubbing it with a wool cloth, and then brought to an initially neutral conducting metallic sphere sitting on an insulati

Plz lzplz plz plz plz help me plz ASAP

How does the choice of text vs film performance affect the play of Macbeth

ANSWER ASAP PLEASE! (02.01)A class has 4 boys and 10 girls. What is the ratio in simplest form that compares number of boys to total number of students? 4:14

Which statement best describes the relationship between the children and the man in the well at the end of the story? The children hoped that the man would be

In a 250-word minimum entry, write freely about our current reading assignment, The Tradjedy of Romeo and Juliet. Consider expressing: your challenges with the

What is the role of histone modifying proteins?

Calculate the number of moles of Li3PO4 in 2.2 L of a 0.60 M Li3PO4 solution.

If you can download 10 ring tones for your cell phonefor $15 or you could download 11 ring tones foryour cell phone for $16, then the marginal cost of theeleven