juliana810
juliana810 juliana810
  • 12-12-2018
  • Mathematics
contestada

Solve each system by elimination
10) -4x+9y=9
x-3y=-6

Respuesta :

Summer19Lynn
Summer19Lynn Summer19Lynn
  • 14-12-2018
Multiply the second equation by 3
-4x+9y=9
3x-9y=-18
add the equations together
-x=-9 Simplify
x=9
now plug in your x value
(9)-3y=-6 Simplify
-3y=-6-9
-3y=-15
y=5
Answer Link

Otras preguntas

A meter is a unit of length approximately equal to 39.37 inches. If someone is 1.66 meters tall, what is his or her approximate height in inches?Using the given
how did paleolithic people acquire food from their natural enviroment
Can you find three errors in this sentence "Neither the man or his brother have any idea if the brick was thrown at him."
how do we make a graph?
how was nitrogen discovered
$12.95 dinner; 15% tip
1-which of the following was an important reason that the Framers favored a bicameral legislature? (a) both Parliament and the colonial legislature were bicamer
Solve the equations. Give an exact and a four-decimal-place approximation.log 2X=2.3
heathers weekly pay is directly proportional to the number of hours she works at the record store. her pay is $174 for 24 hours of work. find the amount of pay
How many tenths are in one whole