Asked by Jas

5x-4y=-7
3x-3y=-21
(linear combination method)

Answers

Answered by Henry
Multiply Eq1 by 3 and Eq2 by -4 and add:

15x - 12y = -21
-12x + 12y = 84
Sum:3x = 63, X = 21.

In Eq1, replace x with 21 and solve for y:
15*21 - 12y =-21, 315 - 12y=-21,
-12y = -336, Y = 28.

There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions