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20-11-2020
Mathematics

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Solve the system of equations from Problem #4.

A:(4, -1)
B:(-1, -3)
C:(16, 4)
D:(9, 1)

Solve the system of equations from Problem 4 A4 1 B1 3 C16 4 D9 1 class=

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brisatrbl brisatrbl

20-11-2020

Answer:

A. (4,-1)

Step-by-step explanation:

solving by addition/elimination

2x-5y=13 *(2)

4x-10y=26

-8x+10y=-42

_________

-4x= -16

x= 4

2(4)-5y = 13

8-5y=13

-5y=5

y= -1

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