Answers

  • Brainly User
2014-06-02T18:51:26+08:00
4x+3y=0 where x=-3 Substitution 4(-3)+3y=0 -12+3y=0 3y=12 y=4 Checking 4x+3y=0 4(-3)+3(4)=0 -12+12=0 0=0
0
2014-06-02T20:38:46+08:00
4x+3y
4x+3y=0
4(3)+3y=0
12+3y=0
3y=12 (transpose)
y=12/3
y=4 so here is the given x=3 and y=4 now you have to substituteĀ 
4(3)+3(4)
12+12
24
0