Question

If you were to solve the following system by substitution, what would be the best variable to solve for, and from what equation?
2x+6y=9
3x-12y=15

a. y, in the second equation
b.y, in the first equation
c.x, in the first equation
d.x, in the second equation

Answer 1

c

Answer 2

why?

Answer 3

if we send y in right hand side equation become
3x=12y+15

Answer 4

take 3 common both side and cut it
yhen equation become small to put in equation first ok

Answer 5

oh yay thanks:)