Question 1153282
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I am trying to figure out the x and y of this elimination question:
 3y+9y=138
8x+5y=178
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Your original system of equations in the post is written in some  STRANGE  and  UNUSUAL  MANNER.


Twice and thrice check it;  then re-check and cross-check.



Happy checking,  double-checking,  re-checking and cross-checking (!)



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Notice that the tutor @greenestamps instructed you on solving  ANOTHER/DIFFERENT system (!)