What is the solution of this linear system? x + 3y = - 8,4x - 3y = 23

Question

Mathematics

Nylah Wolfe

6 April, 02:03

What is the solution of this linear system? x + 3y = - 8,4x - 3y = 23

+2

Answers (2)

Know the Answer?

Jordon · Answer 1

X=-8-3y and x = (23+3y) / 4

Since the solution has y=y and x=x we can say:

-8-3y = (23+3y) / 4

-32-12y=23+3y

-32-15y=23

-15y=55

y=-11/3, and since x=-8-3y, x=-8+11=3

so the solution is:

(3, - 11/3)

Timothy Hunt · Answer 2

Timothy Hunt 6 April, 04:42

0

The answer is : y = - 11/3, x=3