Question 185048
determine whether each equation is a linear equation. Explain. If an equation is linear, identify A,B, and C. 
y=-1
3x=5y+7
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They're both linear.  The highest exponent is a 1, so they're 1st order, linear.  If you graph them it's a straight line, or linear.
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For the 1st:
0x + 1y = -1, so I suspect A, B and C are 0, 1 and -1 respectively, but I'm not certain.