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For the following system, if you isolated x in the second equation to use the subsition method, what expression would you subsitute into the first equation? 2x + y = 8 -x - 3y = -12 A. 3y + 12 B. -3y +
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For the following system, if you isolated x in the second equation to use the subsition method, what expression would you subsitute into the first equation?

2x + y = 8
-x - 3y = -12

A. 3y + 12
B. -3y + 12
C. 3y - 12
D. -3y - 12​

User Benjie
by
8.0k points

1 Answer

4 votes
A.3y+12

i think so,or maybe D or B
User Reyn
by
8.1k points
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