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42 votes
42 votes
X+2y=200 x-y= 50 What would be the first step to solve the given system for y

User Halim
by
2.5k points

1 Answer

16 votes
16 votes

Answer:

Multiply the second equation by -1, then add the equations together.

Explanation:

x+2y=200

x- y= 50

Multiply the second equation by -1 to eliminate the x

User Jazi
by
2.9k points
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