vizhnay9615 vizhnay9615
  • 01-12-2020
  • Mathematics
contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing
Emersoncushing Emersoncushing
  • 01-12-2020
(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3
Answer Link

Otras preguntas

Twelve friends came to Guy’s birthday party. He received seven gifts and a total of $95 in cash for his birthday. He buys an airplane model kit for $9, and he w
How do say 6:45 a.m. in how Spanish
How do you show your work for 0.054 divided by 0.72
What is one significant contribution from African Americans on American society and/or culture?
One of the biggest pull factors that lured people to move West was cheap land. true or false
what events led to a conflict between the Jamestown settlers and the powhatan confenderacy
What is the condition in which two different alleles are expressed equally when inherited ?
five times a number minus 12 is 92. what is  the number
Ivan said that if a number end in 0 both 2 and 5 are factors of the number. Is he correct?why or why not
What times what will give m the answer 64