Homework Help: Intermediate Algebra

Posted by sherry on Tuesday, March 27, 2012 at 1:01am.

Solve using the elimination method.Show work.If system has no solution state this or infinite solution
8x+10y=-34
16x-5y=-43

Intermediate Algebra - drwls, Tuesday, March 27, 2012 at 8:19am
Note that, because of the first equation, 16x + 20y = -68.

Substitute -68 -20y for 16x in the second equation.

-68 -20y -5y = -43
-25y = 25
y = -1

8x -10 = -34
8x = -24
x = -3

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