SOLUTION: 5x+4y=-30 3x-9y=-18 Please help me with elimination

Algebra ->  Linear-equations -> SOLUTION: 5x+4y=-30 3x-9y=-18 Please help me with elimination       Log On


   

Question 1024361: 5x+4y=-30
3x-9y=-18
Please help me with elimination
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply the first equation by 3 and then subtract the second equation multiplied by 5 to eliminate x.
15x%2B12y-15x%2B45y=-90%2B90
57y=0
Solve for y, then go back and solve for x.