samuelhayes
samuelhayes samuelhayes
  • 04-02-2021
  • Mathematics
contestada

I need help please!!!
Solve the system by substitution.
y=-4x
y=x-5

Respuesta :

jawhuss
jawhuss jawhuss
  • 04-02-2021
You would plug in y into the other equation.
-4x = x-5
Put x variables on one side
-4x - x = -5
-5x = -5
x=1
Then plug in 1 for x in any equation
y = 1 - 5
y = -4
So the answers are x=1 and y=-4
Hope this helped!
Answer Link

Otras preguntas

Did I do this right too?
5 teachers have fish tanks in their classroom.Each teacher receives an equal number of tropical fish to put in his or her fish tank.Each teacher also receives 6
Solve the system using substitution. Y=8-x 7=2-y A. (5,13) B.(13,-5) C.(3,5) D.(21,-13)
Lorenzo de medici was a ___ of the florentine arts
Express the area of a circle, a, as a function of its circumference, c.
How big is the Pacific Ocean? And How many Rhode Island's will fit in Russia?
Define the term monogram. Why are they used by artists?
Please help explain work? A construction company plans to invest in a building project. There is a 25% chance that the company will lose $40,000, a 35% chance
System of Equations Solve with Elimination Method 1. x-3y=-5, x+3y=1 2. -x-y=-9, x-y=3 3. 2x+8y=22, 8x-8y=8 4. 4x-2y=-20, 7x+2y=-2 5. -2x-8y=-16, 2x-7y=-14 6. 4
The _____ is the gently sloping submerged surface extending from the shoreline.