maryamajeelali
maryamajeelali maryamajeelali
  • 04-03-2020
  • Mathematics
contestada

solve the system of equations -x-y=-4 and -2x+4y by combining the equation

Respuesta :

emmelys emmelys
  • 04-03-2020
what does the second equation equals to? (-2x+4y=?) I’ll help u out
Answer Link
anastasiathom anastasiathom
  • 04-03-2020

Answer:

×=8/3 and y=4/3

Step-by-step explanation:

-x-y=-4

-2x+4y=0

-2x=-4y

x=2y

so -2y-y= -4 and x= 2•4/3

-3y=-4 x=8/3

y=4/3

Answer Link

Otras preguntas

What Role Does the Sun Play in Producing Winds And Ocean Currents
Which sentence does not contain any errors in comma usage? A. If you ever visit New Haven, Connecticut, be sure to eat at Sally's Pizza. B. The original Londo
Paulina works out with a 2.5 kilogram mass. What is the mass of the 2.5 kilogram mass in grams?
a summary about concussions
What is the domain of the relation {(2, 8), (0, 8), (–1, 5), (–1, 3), (–2, 3)}?
Please help with math question and please show ALL work. 1....How many solutions does the equation 3x+x+3=2(2x+1)+1 have? 2...How many solutions does the pair
The rectangle has an area of 4(x+3) square units. A- If the dimensions of the rectangle are doubled, what is the area of the new rectangle in terms of x? Show y
How do I factor polynomials by grouping, step by step? 4x^2 - 19x+ 12
Susan ........ (Run) to school because she was late.
The type and age of rocks found in the mountain range are also found on another continent. What might this mean?