To eliminate y, you should multiply the equation x + y = 8 by −2. This will give you:
-2(x + y) = -2(8)
-2x - 2y = -16
This equation can then be added to the first equation to eliminate y.
Ellason wants to solve the following system using the elimination method:
5x + 2y = 30
x + y = 8
What number should the equation x + y = 8 be multiplied by to eliminate y? (4 points)
2
−2
5
−5
3 answers
thats not the question
I apologize for that mistake.
To eliminate y, you should multiply the equation x + y = 8 by -2.
So the correct answer is: -2
To eliminate y, you should multiply the equation x + y = 8 by -2.
So the correct answer is: -2