Mathematics, 03.02.2020 12:58, filzaf9632

Solve the system of equations using either the substitution method or the multiplication/addition method
using his given
3x+2y=14
2x-4y=4

6x+4y=28
2x-4y=4
8x = 32
x = 4
2y = 14 - 12 = 2
y = 1
(x , y) = (4 , 1)

question: how can check your solution by writing the system as a matrix equation and using the inverse matrix? .

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, Kellystar27

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Answers: 1

continue

Mathematics, 21.06.2019 18:10, NeverEndingCycle

True or false look at the picture pls : /

Answers: 2

continue

Mathematics, 21.06.2019 18:30, 3peak101

Ineed in figuring out this problem.

Answers: 3

continue

Mathematics, 21.06.2019 22:00, levon15

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0