summer3743 summer3743
  • 02-05-2020
  • Mathematics
contestada

- 8y + 9x = -5
8y + 7x = -75

Respuesta :

Аноним Аноним
  • 02-05-2020

Answer:

x = -5 , y = -5

Step-by-step explanation:

- 8y + 9x = -5

8y + 7x = -75

__________

0 + 16x = - 80

x = -80 / 16

x = -5

- 8y + 9x = -5

-8y + 9(-5) = -5

-8y - 45 = -5

-8y = -5 + 45

-8y = 40

y = 40/-8

y = -5

hope it helps!

Answer Link

Otras preguntas

why is red onions purple
How long did mummification go for poor Egyptians?
What are 2 numbers that when multiplied together you get 360 and when added together you get -96
In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos
what are the landforms of vermont
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
A box contains bags of crisps. Each bag of crisps weighs 25 grams. Altogether, the bags of crisps inside the box weigh 1 kilogram. How many bags of crisps are i
How long did mummification go for poor Egyptians?