tlmbryant2004
tlmbryant2004 tlmbryant2004
  • 02-05-2020
  • Mathematics
contestada

What is the best way to solve the system of equations below? *
-3x-3y=3
y=-5x-17
a. Elimination
b. Substitution

Respuesta :

hello6538
hello6538 hello6538
  • 02-05-2020
The best method is substitution
Answer Link
dlrow11
dlrow11 dlrow11
  • 02-05-2020

Answer:

b. Substitution

Step-by-step explanation:

-3x-3y=3

+3x .     +3x

-3/(-3y)=(3+3x)/-3

  y= -1-x

-1-x=-5x-17

+5x .   +5x

-1+4x= -17

+1 .        +1

4/(4x)=(-16)/4

x=-4

y=-1-x

y=-1--4

y=-1+4

y=3

Answer Link

Otras preguntas

There is a population of 56,950 bacteria in a colony. If the number of bacteria doubles every 370 hours, what will the population be 1,850 hours from now?
two-digit natural numbers are formed, with replacement, from 0 through 9. how many two-digit odd numbers are possible?
4/5 and -4/5 are same or not ​
Find the missing factor._____ x 5 = 3,000 A) 6 B) 60 C) 600 D) 6,000
you have to choose more than one on this
X2 -2x -24=0 is equivalent to Answer(S):
what are the causes of self harm of self injury​
True or false? Question is on the bottom
What is the radical form of 32x 1/6 ?
What is mechanical digestion? Describe the first stage of mechanical digestion.