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elixir [45]
3 years ago
11

Solve the system by the elimination method? -5x-2y=2 6x-2y=24

Mathematics
2 answers:
Ivahew [28]3 years ago
4 0
X = 22
Make either x or y opposites and then solve.

Hope this helps.
Mnenie [13.5K]3 years ago
4 0
<span>-5x-2y=2
6x-2y=24

Notice that -2y appears in both equations.  Multiply the first equation by -1, obtaining 

5x + 2y = -2               and then adding the second equation to this result:
6x  -2t   = 24
-----------------
11x        = 22, so x = 2.  Now subst. 2 for x in either of the original equations to find the value of y.

6(2) - 2y = 2 becomes 2y = 12-2, or 2y = 10, or y = 5.

Solution is (2,5).  You MUST check this, however.</span>
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