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

Janine is considering buying a water filter and a reusable water bottle rather than buying bottled water. Will doing so save her money? First, determine what in
Compare 5.7145 and √29 Show work
Maggie’s brother is 6 years younger than three times her age. The sum of their ages is 42. How old is Maggie?
North Africa and Southwest Asia are on two different continents, but are considered one region. This is MAINLY because the people in this region A) are of the s
How do you say I think in spanish
Starting from rest, a runner at a track meet reaches a speed of 7.5 m/s in 1.7 s. How far does she run during this time, assuming her acceleration is uniform?
can someone please help on sales tax
How many subsets of three elements each exist in a set of six elements?
A wave with low energy will also have
Günlük konuşma kalıpları istiyorum.İn english