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

If 2 is added to seven times a number and equals 8 more than six times a number what is the number
a grown tiger begin its life as a single fertilized egg explain why a tiger look so much different as an adult then it did as a single fertilized eggEnter your
What is 8/16 in simplest form
75 is 10 less than my Number. 55 Is 10 moré than my Number. what is my number?
What is the scientific notation of 8888800
What is 9.72 divided by 3.6
What is 40/3 as a mixed number?
which is not an improper fraction equal to 8?
The leg's force forward on the foot= 500N The foot's force forward on the ball= 500N The ball's force back on the foot= 500N What is the net force on the ball?
Why is heartwood darker in color than sapwood? A.Heartwood is closer to the center of the stem; sapwood is away from the center of the stem. B.Heartwood does no