MEGANHOLTZCLAW2 MEGANHOLTZCLAW2

15-09-2017
Mathematics

contestada

x = y - 3
x + 3y = 13
What is the solution to the system of equations?
A) (1, 4)
B) (4, 1)
C) (7, 4)
D) (2.5, 5.5)

Respuesta :

15-09-2017

Hello,
{x=y-3
{x+3y=13;

{x=y-3
{y-3+3y=13;

{x=y-3
{4y=13+3;

{x=y-3
{4y=16;

{x=y-3
{y=16:4=4;

{x=4-3=1
{y=4;

{x=1
{y=4

the solution to the system of equations is (1,4)

Bye :-)

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