Mathematics: Solve x + y = 5 using matrices. 2x – y = 1 i have the answer, x = 2 and y =3, how do i phrase this as a matrices? (2,3)?

Solve x + y = 5 using matrices. 2x – y = 1 i have

Ответ:

brisamauro27

03.01.2022

X +y = 5

x = 5-y

2x -y = 1

2•(5-y) -y = 1

10 -2y -y = 1

10 -3y = 1

-3 y = 1-10

-3y = -9

then you can divide it
y = -9/-3

y= 3

for x :

x + y = 5

x + (3) = 5
x= 5-3
x= 2

(x,y)

(2,3)

0,0(0 оценок)

Ответ:

tommyaberman

29.09.2021

Mathematics

1.) 2:3

2.) 64.03

3.) 96.05

4.) 22.81

0,0(0 оценок)

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Solve x + y = 5 using matrices. 2x – y = 1 i have the answer, x = 2 and y =3, how do i phrase this as a matrices? (2,3)?

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