lilalovemiett lilalovemiett

21-01-2021
Mathematics

contestada

Solve using elimination.

8x + 7y = 9
8x + 10y = –18

please help i am in desperate need of math help

Respuesta :

krishadiya krishadiya

21-01-2021

8x + 7y = 9
8x + 10y = -18
Subtract.
-3y = 27
Divide.
y = -9
Plug y (-9) back in:
8x - 63 = 9
Solve.
8x = 72
Divide.
x = 9

Answer: (9, -9)
:)

Answer Link

rosewarrior0 rosewarrior0

21-01-2021

Answer:

x=9, y=-9

Step-by-step explanation:

pic attached with step by steps

Ver imagen rosewarrior0

Ver imagen rosewarrior0

Answer Link

Otras preguntas

25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]

v= 1 over 3 [tex]v = 1 over 3 \pi r x^{2}h for h [/tex]

Find the the simplest form of 325/1000

If 4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number, find the number.

why does the Arabian peninsula have small amounts of farming?

which map is best to show one continent and why?

Solve the equation and check your answer. 3-5b+2b=-2-2(1-b)

John currently has enough money to buy 45 books. If each book cost 10 cents less, John could buy 5 more books. How much money does John have to spend on book? (

what is 6=hj+k for j

If 4 times the reciprocal of a number is 3 more than 5/2 times the reciprocal of that number, find the number.