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OpenStudy (anonymous):
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OpenStudy (usukidoll):
get the 10y on the left side then solve by subsitution
OpenStudy (anonymous):
2x = -10y x = -5y -5y +5y = 3 solve for y, then for x
OpenStudy (mertsj):
1. Solve both equations for y. 2. If the equations are the same the number of solutions is infinite 3. If 2 is not true, compare the slopes. If the slopes are the same, the lines are parallel and there is no solution. 4. If 2 and 3 are both false, there is 1 solution.
OpenStudy (mertsj):
Post what you got when you solved them for y
OpenStudy (mertsj):
|dw:1388974182642:dw|
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OpenStudy (mertsj):
|dw:1388974218132:dw|
OpenStudy (mertsj):
|dw:1388974244802:dw|
OpenStudy (mertsj):
|dw:1388974273566:dw|
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