toomuchsus toomuchsus
  • 18-12-2017
  • Mathematics
contestada

What is the solution to 2x-3y=-9
3x+y=-8

Respuesta :

naomi479xx
naomi479xx naomi479xx
  • 18-12-2017
⓵
You need to simplify the left side in order to isolate the x and the ỿ :

2x -3ỿ = -9
÷2 ÷2

x -3ỿ = -4,5
÷-3 ÷-3

x + ỿ = 1,5

⓶
You do the exact same thing as the first one, except with different numbers :

3x + ỿ = -8
÷3 ÷3

x + ỿ = -2,6 periodic

There you go! I hope this helped! ☻
Answer Link

Otras preguntas

Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all
$56,500 at 1% compounded quarterly for 3 years
james keeps a running record of inventory and does not physically count the inventory periodically. he is using
how are reactants and products treated the same in a chemical reaction? how are they treated differently?
ms. wood has a collection of 25 questions. how many different tests of 5 questions each can be made from the set of questions?
Which situation is likely to happen in a society with a representative democracy?.
Describe the hazard to the engineer if there is no earth wire​
0.12 x 32 = ? Please help!
gfcis operate by comparing the amount of current flowing in the ___ circuit conductors of a 240-volt circuit. when these are not the same, the gfci device trips
Two vectors A and B have components (0, 1) and (-1, 3), respectively. What are the components of the sum of these two vectors?