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

How to make a mixed fraction
two sisters, jenny and penny, play on the same basketball team. last season they scored a combined total of 458 points. jenny scored 192 of the points. write an
outlaws of the Wild West were heroes of their time
A grain storage bin has the following dimensions, 11 feet high, 28 feet long and 12 feet wide. The volume of 1 bushel is 2200 cubic inches or 1.273 cubic fee
72 - (blank) + 20 = 70 what number is the blank
Find all points having an x-coordinate of 4 whose distance from the point (-2,-1) is 10
ted is making three picture frames like the one shown below.what length wood does ted need for all three picture frames?
What did Enlightenment thinkers believe predated society and was superior to the laws of the church or the state?
Choose the word that describes a person who is smart but in a sneaky way. A. Sharp. B. Cunning. C. Intelligent. D. Skillful.
_ is 8% of 200, please help and show work, thanks