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Mathematics 7 Online
OpenStudy (anonymous):

inconsistent or dependent Y=x,Y=-x??

OpenStudy (unklerhaukus):

i can think of a solution

OpenStudy (anonymous):

what solution ?

OpenStudy (unklerhaukus):

to find a solution add the two equations

OpenStudy (anonymous):

would this be inconsistent or dependent or neither??

OpenStudy (unklerhaukus):

inconsistant means there are no solutions dependent means there is one solution \[Y=x,\]\[Y=-x\] \[Y+Y=x+-x\]\[\quad\cdots=\cdots\]

OpenStudy (anonymous):

how would i solve x+2y=-4 -3x+2y=4

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