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If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?2x+6y=9 3x-12y=15
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If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?2x+6y=9

3x-12y=15

User Bellu
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2 Answers

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The second equation because they all have a common factor of 3. You can get x by itself. However, with the first one, you'll end up with fractions instead.

User Arclight
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5 votes

Answer:

X, in the second equation.

Explanation:

User Tahesha
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