ayedzughier ayedzughier

04-04-2021
Mathematics

contestada

x+y=4
x-y=-2
who can solve it?

Respuesta :

meowmeow223334 meowmeow223334

04-04-2021

Use elimination
x + y = 4
x - y = -2
Subtract both sides
2y = 6, y = 3
Plug 3 into y to find x
x + 3 = 4
x = 1
Solution; x = 1, y = 3

Answer Link

Otras preguntas

An ice cream stand uses the expression 2 + 0.5x to determine the cost (in dollars) of an ice cream cone that has x scoops of ice cream. How much does an ice cre

Of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Y mobile phones. Of these students, 80 own both brands of mobile phone

the us economy after world war 1 relied in large part on · loans from aboard · construction · inflation · farming

Which of the following pulmonary term correlates with the definition: noted obstruction of the trachea or larynx. a. Rhonchi b. Stridor c. Wheezes d. Vesicular

If a dominant gene and a recessive gene are present the ______ trait will be expressed. Recessive Present Prime Dominant

Choose the analogy below with the same relationship as-glove is to hand a. hand is to glove b. Wall is to paint c. Shoe is to hand d. Head is to toe Answer is b

According to the Declaration of Independence, what are the three most basic rights? freedom of speech, assembly, and religion the right to vote, to bear arms, a

LADY MACBETH. Come on; Gentle my lord, sleek o'er your rugged looks; Be bright and jovial among your guests to-night. William Shakespeare, Macbeth, Act III, sce

how do you write 26.17 in word form

Which of the following is not considered a COPD related disease? a. Bronchiectasis b. Bronchial asthma c. Bronchitis d. Bronchial hypotension