GreysynJ582374 GreysynJ582374
  • 03-11-2022
  • Mathematics
contestada

Solve by using Substitution: 3x-y=13 2x +2y = -10

Respuesta :

AerinV186121 AerinV186121
  • 03-11-2022
[tex]\begin{gathered} 3x-y=13 \\ 2x+2y=-10 \\ y=3x-13 \\ \\ 2x+2(3x-13)=-10 \\ 2x+6x-26=-10 \\ 8x-26=-10 \\ 8x=-10+26 \\ 8x=16 \\ x=\frac{16}{8} \\ x=2 \\ \\ 3x-y=13 \\ 3(2)-y=13 \\ 6-y=13 \\ -y=13-6 \\ -y=7 \\ y=-7 \end{gathered}[/tex]

Answer Link

Otras preguntas

What is the LCM of 3,6,16
The source of heat for a (an) _____ system is electricity.
information that identifies the patient in any way is known as
information that identifies the patient in any way is known as
the population of a particular city is given by the function p(t) = 72,300(1.03)t, where t is time in years and p(t) is the population after t years. what is th
nilai mutlak . nilai x yang memenuhi persamaan lx-6l=2 adalah
a train is moving on horizontal rails with a uniform acceleration 5m/s2. a passenger siiting in a boggie drpos a stone inside the boggie. what will be the accel
The perimeter of a triangle is 547.2 feet and the sides are in the ratio of 42:45:27. Find the area of the triangle.
what is 35/75 reduced to
In general, a plot of land goes to