7. Without graphing, determine how many solutions each system has. a. = X (y = 2x b. [3x + 4y = 12 2x+4y=8 no sol. = = -1 x+1 =1/√x+8 d. Why is it sometimes hard to see that two equations are equilvalent? ne sait |y=1/√x+2 (-2y=-x-4 Which equations have the same slope? The system with one solution, no solution, or many solutions? С. Which equations have the same y-int? The system with one solution, no solution, or many solutions? d.

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