Question

3x + 6y = 18 and x + 2y = 6... Ned someone to correct if im wrong.... I think this has no solutions?

Answer 1

One solution and that is (6,0)

Answer 2

This has infinitely many solutions.

Answer 3

Only one solution

Answer 4

x-2y=6 multiply by 3 & add.
3x-6y=18
3x-6y=18
------------
6x=36
x=36/6
x=6 ans.
6-2y=6
-2y=6-6
-2y=0
y=0 ans.
Proof:
3*6-6*0=18
18+0=18
18=18
One solution: (6,0).

Answer 5

Notice that 3x + 6y = 18 <-> 3(x + 2y = 6)

Answer 6

In other words, both equations are the same line.

Answer 7

yes those two equations are the same line