antenehgoshime antenehgoshime

24-11-2019
Mathematics

contestada

find 8m + 2n=-6 and 8m+7n=0

Respuesta :

FaiKBuffy FaiKBuffy

24-11-2019

Answer: m=-21/20, n=6/5

Step-by-step explanation:

8m+2n=-6

8m+7n=0

Subtract equation 1 from equation 2

8m+2n=-6

0m+5n=6

Divide equation 2 by 5

8m+2n=-6

n=6/5

Divide equation 1 by 2

4m+n=-3

n=6/5

Subtract equation 2 from equation 1

4m+0n=-21/5

Divide it by 4

m=-21/20

Answer Link

Otras preguntas

WILL MARK AS BRAINLIEST!!

please help me!! :(((

While in europe if you drive 117 kim per day, how much money would you spend on gas in one week if gas costs?

which expressions are equivalent? a. 3x-7y and -7y + 3x b. 3x-7y and 7y-3x c. 3x-7y and 3y-7x d.3x-7y and -3y+7x

The process within a civil case where evidence is gathered and witnesses found is known as which of the following?

Is the first one right if not what is it

select the improper fraction: 3/13 5/16 16/11 9/12

Which of the following legislative bodies is most likely to have public meetings in which citizens have the opportunity to express their views? A town or city

As you move from ___________ to ____________ on the periodic table, the atomic radius of the atoms increase.

A salvage yard sales 2tons of iron and 1 ton of aluminum recycling plant how many pounds of iron and aluminum does the salvage yard sell