Math and Logic

Can You Eliminate This Problem?

Given the two balance scales, we might ask how much the green 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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