Question 391252
what does the solution of a system of linear equations represent?
Ans: Values of the variables which make all the equation true.
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how can you tell graphically whether a system is 
consistent: the lines intersect at one point
inconsistent: the lines are parallel
dependent:the lines have the same graph
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x=2y-1
x=2y+3
has no solution. how can you tell?
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The slopes are the same and the y-intercepts are not
equal so the lines are parallel.
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Cheers,
Stan H.