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4 votes
Which one does not belong?

a 6x + 12y = 36
b 3x + 6y = 18
c 2x - 2y = 12
d x + 2y = 6

User BinOr
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7.2k points

1 Answer

4 votes

Answer:

C 2x-2y =12

Explanation:

A, B, C and D are additional equations with x and y in ratio 1:2 and their totals also in equivalent increasing dimension.

User McLeary
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7.2k points