MxdelineGrace
MxdelineGrace MxdelineGrace
  • 02-09-2020
  • Mathematics
contestada

y=-4x - 8
6x + 2y=-10


I need the equation solved by substitution

Please show work :)

Respuesta :

Toodles568
Toodles568 Toodles568
  • 03-09-2020

Answer:

x =1.28571428571

Step-by-step explanation:

6x + 2y = -10

y = -4x - 8

6x + 2(4x - 8) = -10

6x + 8x - 8 = -10

14x - 8 = 10

(we put together the like terms)

14x = 10 + 8

14x = 18

x =  [tex]\frac{18}{14}[/tex]

x = 1.28571428571

Answer Link

Otras preguntas

John tossed two number cubes several times and added the numbers each time. Total=2, tall You=1, number of times?
Which team has represented the AFC in the Super Bowl the most times?
Which team has represented the AFC in the Super Bowl the most times?
What are the African cheetahs limiting factors?
For example: The solid is not completely submerged in the water. Will this technique error increase, decrease, or have no effect on the reported density of th
need help with math's home work 1 - increase 235 by 27% 2 - increase 24g by 9% 3 - decrease 1120 of 13.5% 4 - decrease 0.057 by 55% sally investment of £450 has
what is the comound name for the formula PbCl2?
2/3 of what number is 16?
What is the second hottest layer of the atmosphere?
A store offers a 10% discount on all merchandise as part of its anniversary sale. Select all statements that are correct. A jar that costs $10 will cost $11 aft