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November 29, 2014

November 29, 2014

Posted by **JOHN** on Wednesday, March 7, 2007 at 2:07pm.

4x+2y=74

y+

What does the y+ signify? Are you supposed to solve for y?

Try doubling the first equation, giving you

2x + 2y = 60

and then subracting the second equation from that.

-2x = -14

Solve that easily for x, and then substitute that x in any equation to get y.

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