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

Explain how traits are inherited via meiosis?
Can you help me please urgent !!
Which of the following was a typical union-busting tactic of the late 1800s? hiring strikebreakers training apprentices organizing a strike collective bargainin
Didn’t he lateral area of the cone in terms of pi.
Finish each sentence using the vocabulary word provided 1.( Dilemma) having to decide 2.(roused) this morning,my parents.
[tex](3 + i)(2 + i)[/tex]​
negative twenty-five is 4 times a number increased by 7. Find the number. Thank you ​
Please help me? y=2(x-5)^2-8 Solve the equation for when y=10, show your work algebraically.
x=-2y-3 4y-x=9 determine the point of intersection of each pair of lines if one exists. ​
why did Enlightenment considered a turning point in the world history​