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Mathematics 22 Online
OpenStudy (anonymous):

Determine whether the point (1, 7) is a solution of the system 2x + 6y = 50 10x + 0y = 10 by substituting the point into each equation.

OpenStudy (btaylor):

no, it doesn't work with the first equation.

OpenStudy (cwrw238):

2(1) + 6(7) = ? 10(1) + 0 = ?

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