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February 28, 2015

February 28, 2015

Posted by **Betty** on Monday, February 21, 2011 at 10:33pm.

x + 10y = 41

x + 9y = 37

- Algebra -
**MathMate**, Monday, February 21, 2011 at 11:17pmx + 10y = 41 ... (1)

x + 9y = 37 ... (2)

For substitution, rewrite as

x = 41-10y ...(1a)

and substitute x in (2) to get

(41-10y) + 9y = 37

Simplify and solve for y.

Substitute y back in (1a) to find x.

Post for an answer check if you wish.

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