2024curentonaustin 2024curentonaustin
  • 22-04-2020
  • Mathematics
contestada

Solve the system of equations using the substitution method.
-3x - y = 15
y = -8x​

Respuesta :

306flower
306flower 306flower
  • 22-04-2020

Answer:

x = 3, y = -24

Step-by-step explanation:

-3x - y = 15

y = -8x

Substitute the value of y into the first equation.

-3x - (-8x) = 15

-3x + 8x = 15

5x = 15

x = 3

Put the value of x into the second equation.

y = -8 * 3

y = -24

Answer Link

Otras preguntas

what is the smallest to largest amino acids, globular (quaternary) structure, C,H,O,N, amino acid sequence
What problem arose in the royal colonies?
Why was slave labor so important to call me of the southern colonies
Whats the indicated operation?
what was the main food of the peoples of the northwestern coast
A car accelerates uniformly from rest for a time of 12 sec. The rate of acceleration is 4m/s^2. What is the velocity at the.end of 12 sec?
There was some consideration to make George Washington the king of America. This would have made him a(n)
I need help on this question
Summarize a strategy that can be used to graph Py+1=Qx
What is 600 is 10 times as much as