skylera482 skylera482

15-10-2020
Mathematics

contestada

will mark brainliest:) helppppp -7x + y = -19 -2x+ 3y = -19 solve the system of equations

Respuesta :

nineex5 nineex5

15-10-2020

Answer:

X=2, Y=-15

Step-by-step explanation:

-7x+y=-19

-2x+3y=-19

------------------

-3(-7x+y)=-19

-2x+3y=-19

---------------------

21x-3y=57

-2x+3y=-19

---------------------

19x = 38

19x/19=38/19

x=2

now plug 2 into x of the second equation to get y=-15

Answer Link

Otras preguntas

A rectangular room is four times as long as it is wide, and its perimeter is 70 meters. Find the width of the room.

An author is having a book signing at a store. He agrees to give 5% of his profit to literacy programs and 15% of his profit to his manager. If he makes a profi

Use the following words to write your own poem for your school'S POENTRY COMPETITION--bed-red-head-said-fed--see-bee-free-tea-agree--ship-lip-slip-equip-skip--e

Evaluate the expression (11/7)(5/3)(3/1)

Explain why volcanoes are common in the Ring of Fire.

The length of a rectangular garden is 7 feet longer than its width. The garden's perimeter is 202 feet. Find the length of the garden.

twelve is sixteen less than four times a number

The length of a rectangular garden is 7 feet longer than its width. The garden's perimeter is 202 feet. Find the length of the garden.

Use the following words to write your own poem for your school'S POENTRY COMPETITION--bed-red-head-said-fed--see-bee-free-tea-agree--ship-lip-slip-equip-skip--e

one-sixth of a number is 66