Question

What is the value of the y variable in the solution to the following system of equations?
5x + 3y = 7
3x - 5y = -23

A.) -1
B.) 1
C.) -4
D.) 4

Answer 1

ans:4

Answer 2

could u explain it please?

Answer 3

use the elimination method..

Answer 4

\[x=(7-3y)/5\]

Answer 5

and sub it to the second equation

Answer 6

thank you :)

Answer 7

@dusty did you get it?

Answer 8

if you are unsure if the ans is correct. u can sub back the value x and y you have found into the two equation given.