If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step?
x - y = 6
4x - 6y = 1
Answer
Multiply the first equation by -4.
Multiply the first equation by 6.
Add the two equations together.
Multiply the first equation by -6.

Question

If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step?
x - y = 6
4x - 6y = 1
Answer
		Multiply the first equation by -4.
		Multiply the first equation by 6.
		Add the two equations together.
		Multiply the first equation by -6.

chriss · Answer

the last one... multiply the first equation by -6

chriss · Answer

multiplying the equation by -4 will eliminate the x variable.  It is just as legitimate a way to solve that system of equations, but the question specifically asks to eliminate the y variable

anonymous · Answer

Soul is wrong and Chriss is right as multiplying the first equation by -6 as (-y)(-6) gives +6y which cancels out