Tali1982 Tali1982
  • 01-04-2021
  • Mathematics
contestada

solve the system of equations -8x+7y=6 and 3x-2y=4 by combining the equations

Respuesta :

Yang100
Yang100 Yang100
  • 03-04-2021

Answer:

x=8, y=10. (8, 10).

Step-by-step explanation:

-8x+7y=6

3x-2y=4

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

2(-8x+7y)=2(6)

7(3x-2y)=7(4)

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

-16x+14y=12

21x-14y=28

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

5x=40

x=40/5

x=8

3(8)-2y=4

24-2y=4

2y=24-4

2y=20

y=20/2

y=10

Answer Link

Otras preguntas

Solve for brainliest
how do you say nice to meet you in spanish?
can a percent of change be greater than 100%​
The length of a rectangular sign is 5 times its width. if the signs perimeter is 36 inches,what is the signs area?
When you add so much solute that no more dissolves, you have aa.saturated solution.b.unsaturated solution.c.neutralization.d.suspension.
HELP ME PLEASE I DONT UNDERSTAND!!!!!
I NEED HILP PLS HOW IS THIS THE ANSWER....
At a room temperature, which of the following will evaporate first, a drop of water or a drop of ethanol
Which word correctly completes this conversation? Erica: Mis ojos son verdes. Y Valeria, tus ojos son azules, ¿no? Valeria: Sí, ___ ojos son azules. A. tus B
im a daiper furry, is anyone else???