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 is a final mrna that lacks introns produced in eukaryotic cells?
The plantation system of the cotton south before the civil war:
During development, 50% of neurons die; those that survive are those that
WILL MARK BRAINLIEST!!!! A rectangle certificate 8 in. by 10 in. will have a frame 1 1/2 in. wide surrounding it. What is the perimeter of the outside edge of t
Suppose a hypothetical economy is currently in a recessionary gap of $64 billion. four economists agree that expansionary fiscal policy can increase total spend
Just need help with A and B
The second messenger camp is synthesized by the enzyme _____.
The british invasion of the mid-atlantic coast in 1814 resulted in
Why did many ottonian cathedrals burn down in the eleventh century?
The energy content of food is described in terms of calories because