4 years ago

3x + 2y = 12 9x + 6y = 18

1 answer:

6 0

Solving through canceling

3x+2y=12
9x+6y=18

want to cancel the first eq from the 2nd

multiply 3 to the first eq

9x+6y=36
9x+6y=18

subtract the 2nd from the first equation
0x+0y=18

0=18
this is obviously not true, therefore, there are no solutions to this problem

the only way that you would have no solutions to a system of equation is if the two equations are parallel lines

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