Question 884353
c = coca cola added sugar
p = pepsi cola added sugar


c+p=34 and c=-1+p.


That second equation equivalent to c-p=-1.


SYSTEM:
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c+p=34
-
c-p=-1
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Add them to eliminate p.
2c=33
<b>c=33/2 or 16.5</b>, coca cola


p=34-c
p=34-16.5
<b>p=17.5</b>, pepsi cola