Select the best possible first step to solving the system by first eliminating the x variable.

x - 3y = 12
2x + 5y = 2

Multiply the first equation by 2.
Multiply the second equation by 2.
Multiply the first equation by -2.
Multiply the second equation by -2.

Question

Select the best possible first step to solving the system by first eliminating the x variable.

x - 3y = 12
2x + 5y = 2
 	
	Multiply the first equation by 2.
	Multiply the second equation by 2.
	Multiply the first equation by -2.
	Multiply the second equation by -2.

mathstudent55 · Answer

To eliminate x, you need to add the equations and have the x-terms add to zero.
x + 2x does not add to zero.
The second equation has 2x.
What added to 2x adds to zero?

anonymous · Answer

2 x 0 = 0 ? @mathstudent55 i dont get itttt