suhelzer01 suhelzer01

10-12-2020
Mathematics

contestada

What is the solution to the system of equations?
x + y=3
y=x-5

A. (-1,4)
B. (2,1)
C. (4,-1)
D. (1,-4)
E. (1,2)

Respuesta :

11-12-2020

Answer:

C. (4 , –1)

Step-by-step explanation:

—Math

x + y = 3

y = x –5

...........

eliminate y

x + y = 3

–x + y = –5

__________–

2x = 8

x = 4

x + y = 3

4 + y = 3

y = 3 –4

y = –1

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