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

what is the primary theme of Ha Jins A Decade

Alberti's major influence on renaissance painting was in the area of

What are transferred in an oxidation-reduction reaction (1 point)?

can anyone tell me what the symbole in between mj and ap means??

_____ are programs that help students pay postsecondary education costs. Grants Scholarships Tuition None of the above

If government officials are calculating the amount of money the federal government borrows for one fiscal year, they are _____.

How long is a u.s Supreme Court justices term

1.Typography is _________________ a. a font with a particular unified style. b. a method of communication used in order to persuade the general public to consum

which number is a solution of the inequality 10.6 <b

Huang, José, and Sam ran a 100-m dash. José did not come in second; Huang did not come in third. José’s time was 2 seconds faster than that of the oldest boy in