algebra 2
posted by Ludjmy .
1) 2a+c=10
bc=15
a2b+c=5
2) x+y+z=3
13x+2x=2
x5z=5
3)xy+3z=3
2x+2y6z=6
y5z=3
4)3x2y+z=1
x+yz=2
5x+2y+10z=39
5)3x2y+z=1
xyz=3
3x2y+3z=12

http://www.wolframalpha.com/input/?i=2a%2Bc%3D10%2C+bc%3D15%2C+a2b%2Bc%3D5+
2a+c=10, bc=15, a2b+c=5