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

02-05-2020

The best method is substitution

Answer Link

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

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