20-02-2020
Mathematics

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pls help! will give brainlist!

which ordered pair represents the solution to the system of linear equations?

A. (-3,2)
B. (-2,3)
C. (3,-2)
D. (2,-3)

pls help will give brainlist which ordered pair represents the solution to the system of linear equations A 32 B 23 C 32 D 23 class=

Respuesta :

Аноним Аноним

20-02-2020

Answer:

B. (-2,3)

Step-by-step explanation:

-3x+5y = 21

x=2y-8

Substitution

-3(2y-8)+5y =21

-6y+24+5y=21

-y+24=21

-y=-3

y=3

Plug-in other equation

2*3-8=x

6-8=x

x=-2

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