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OpenStudy (anonymous):
For the following system, use the second equation to make a substitution for x in the first equation. 3x + 2y = 7 x - y + 3 = 0 What is the resulting equation? 3x-y- 3 + 2y= 7 3(y- 3) + 2y= 7 3y- 3 + 2y= 7
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OpenStudy (anonymous):
From the second equation : x = y - 3 Substitute this in the first equation. 3( y - 3 ) + 2y = 7 Can you solve it now?
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