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Solve by the elimination method. 6x+9y=57 -6x+y=33
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Solve by the elimination method.
6x+9y=57
-6x+y=33

User Brianandere
by
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1 Answer

3 votes

6x+9y=57
-6x+y=33

------------------ (+)

6x+(-6x)+9y+y=57+33

10y=90 /:10

y=9

-6x+y=33

-6x+9=33 /-9

-6x=24 /:(-6)

x=-4

User Paulina
by
7.6k points
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