let's clear fractions and see what we have
5x+3y=3c
4x+2y=c
x+y=6
If we subtract the 2nd from the 1st we have
x+y=2c
x+y=6
that help?
5x/3+y=c
2y=c-4x
x+y=6
What is c? I've tried substituting y as x-6 however I'm still not getting it.
1 answer