Math and Logic

Compare the Weights

Given the two balance scales, we might ask how much the red triangle weighs:

Or perhaps, we might want to know the value of tt in the equations s+t=32s+t=5. \begin{aligned} s + t &= 3 \\ 2s + t &= 5. \end{aligned} In either case, we can use the same approach: the elimination method.

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