juliana810 juliana810

12-12-2018
Mathematics

contestada

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

Respuesta :

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

can somebody help me !

sara says. "if you subtract 14 from my number and multiply the difference by -4, the result is -80." What is Sara's number?

What is X= to and what does Y= to?

what effect could pain have on muscle tone

. Drunk drivers belong in prison. Fact or Opinion Explain: _____________________________________________________________

Give one advantage and one disadvantage for a Command Economy.

12. Which of the following events would represent a victory for al-Qaeda? (8 Points) . The United States withdrawals are diplomats from the Middle East The Unit

describe a current example of freedom

14 more than 6 times a number is greater than or equal to 28

Using the midpoint formula, determine the other endpoint of each segment given the coordinates of the midpoint and an endpoint. a. Endpoint: (-1, 9) Midpoint: (