Crissena Crissena
  • 01-04-2021
  • Mathematics
contestada


Solve for the two variables in the following system of equations. 7x-8y=-12
--4x+2y=3

Respuesta :

Yang100
Yang100 Yang100
  • 03-04-2021

Answer:

x=0, y=3/2. (0, 3/2).

Step-by-step explanation:

7x-8y=-12

-4x+2y=3

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

7x-8y=-12

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

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

7x-8y=-12

-16x+8y=12

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

-9x=0

x=0/-9

x=0

7(0)-8y=-12

0-8y=-12

8y=0-(-12)

8y=0+12

8y=12

y=12/8

simplify

y=3/2

Answer Link

Otras preguntas

Atoms can be broken down through what processes? A.) chemical but not nuclear B.) only biological C.) both chemical and nuclear D.) nuclear processes but no
why do chemical fertilizers accumulate in our body
Someone please help me with number 7
what is the square root of negative 17/16
*A 0.145 kg baseball reaches a speed of 36 m/s from rest when a bat strikes. If the average force of 500 N was applied on the ball by the bat, what is the impac
if a total amount is 5 7/8 and 6 people need to be fed, how much is a serving size? Show your work.
592 rounded to nearest hundred
What is the difference between a baptist christian and a Nazarene christian?
When the referee applies __________, he/she allows play to continue when the team who was fouled will benefit.
310.286 round to the nearest tenth