Marinzu Marinzu
  • 24-02-2018
  • Mathematics
contestada

Linear Combination (Show all work and write steps.)

2x - 3y = 13

x + 2y = -4

Respuesta :

creeds25
creeds25 creeds25
  • 05-03-2018
2x-3y=13 Equation 1
x+2y=-4 Equation 2
Solving by substitution method.
Isolate x from equation 2.
x=-2y-4
Substitute value of x in equation 1.
2(-2y-4)-3y=13
-4y-8-3y=13
-7y-8=13
-7y=21
y=-3
Now substitute value of y in x=-2y-4
x=-2(-3)-4
x=6-4
x=2

Answer: (x,y)= (2,-3)
Answer Link

Otras preguntas

What are the seven steps needed to reconcile a bank statement?
Describe one of the reasons for growing tensions between the federal government and the states rights between 1824 and 1848
which would you pick Play dough or Kinetic sand?
Farmer Dave builds a crate to hold vegetables. the volume of the crate is 48 cubic feet. the base area of the crate is 16 square feet. what is the height of the
Where do proteins get the energy to combine co2 and other compounds in the calvin cycle?
which section of the economy makes up the majority of spending on goods and services
An elderly person has become confused and at night has been wandering away from her room in the nursing home. She has some medical conditions that require const
Sex-linked recessive disorders are most often passed from mother to sons
20 PTS AND BRAINLIEST!!!!! ok... heres the thing.. i need someone to explain to me, the progressive era. Along with the NAACP. And what the progressive era acc
I need help pleasss Rammy has $9.60 to spend on some peaches and a gallon of milk. Peaches cost $1.20 per pound, and a gallon of milk costs $3.60. The inequalit