adrisofiavarela adrisofiavarela

23-02-2021
Mathematics

contestada

Select the best possible first step to solving the system by first eliminating the x variable.

3x + 5y = 1
2x + 4y = −4

Respuesta :

faisal4craft7 faisal4craft7

23-02-2021

2x + 4y = -4

2x = -4 - 4y

x = -2-2y

(3x+5y=1) ----> (1)

3(-2-2y) + 5y = 1

-6 -6y + 5y = 1

-6 -y = 1

-y = 1 + 6

-y = 7

y = -7

2x + 4y = -4

2x + 4(-7) = -4

2x -28 = -4

2x = 24

x = 12

(x,y) = (12,-7)

Answer Link

Otras preguntas

A religion or cultural has specific values. What are these known as? A. universal values B. intrinsic values C. extrinsic values D. group - specific values

Please help! 20 POINTS

Which best describes the suspense technique of foreshadowing? a) An image, color, object, or similar is shown early in the film. It later reappears in a pivot

Which action taken by president Washington would have been supported by the federalists but not by the democratic-republic.A)the formation B) the passage of the

Which action by whites hunt the American Indian way of life?

hi, can you guys check this, please? Its my French essay on ideal town a l'avenir j'habiterais a las vegas. apres avoir regarde un documentaire, je vraiment ve

Which characteristic is distinctive of hominids?

Which analyst position analyzes information using mathematical models to help business managers make decisions?

How many line segments are parallel to FE ?

Please Help!! 50pts!!