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OpenStudy (anonymous):
2x + y = 8 x + y = 4 The lines whose equations are given intersect at a.(4, 0) b.(0, 4) c.all points on the line
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OpenStudy (b87lar):
(a). Multiply second equation by 2, then subtract the first from that and you'll get y=0 +> x=4, ie. (0,4)
OpenStudy (anonymous):
what about this one? Solve the linear system. x + y = -3 y = 2x a.(-1, -2) b.no solution c.coincident
OpenStudy (anonymous):
@b87lar can you help with this?
OpenStudy (b87lar):
it is (a)
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