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

Qué dificultades tendría el presidente de la república para gobernar el país si no existieran las entidades territoriales
what had Andrew been thinking about? How would you like to describe the state of his thoughts? Ans- ​
what is the equation?
The length of the three sides of a triangle are different prime numbers. If two sides have lengths 3 and 11, which of the following could be the length of the t
Calculate how many grams of NaOH are needed to make 204.68 g of Na2CO3. 2 NaOH(s) + CO2(g) Na2CO3(s) + H2O(l)
What might Document C and Document D both suggest about why some Senators opposed the Treaty of Versailles?
Hypothesis for “Does social media cause depression?”
Determine the number of significant figures in the following result: The scientist measures the rate to be 7.030×10^-3 meters/second. Number of significant fi
Are my answers correct?
what is the square of 123?​