Question

2.5y + 3x = 27
5x – 2.5y = 5

What equation is the result of adding the two equations?

What is the solution to the system?

Answer 1

@RyleeC

Answer 2

For part A. set both equal to zero, by subtracting the 27 and 5, then you can add both equations.
For part B we will be using substitution.

Answer 3

Part B. x=(-2.5+27)/3

Answer 4

Substitute, 5(-2.5y+27)/3 -2.5y = 5

Answer 5

6

Answer 6

Yes y=6

Answer 7

substitute y in and solve for x

Answer 8

5x-2.5(6)=5

Answer 9

should end up with (4,6)

Answer 10

Yeah thats what I got

Answer 11

Good, and for part A I might be wrong on how to do it. Not really sure what its asking.