q) \( \frac{15}{5}=0 \) r) \( \frac{2 x}{3}=\frac{5 x}{12}-2 \) s) \( 3 x-\frac{2 x}{5}=\frac{3 x}{10}+14 \)
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Did you know that the phrase "dividing by zero" has been the source of countless mathematical debates and even some humorous misconceptions? Often, people initially think they can simplify expressions that involve it, but in reality, division by zero is undefined because there’s no number that can multiply with zero to give a non-zero result. It has caused notorious miscalculations in mathematical history! In the real world, the principles behind equations like the ones you've listed come into play in many practical scenarios such as budgeting and engineering. For example, the equation \( \frac{2x}{3} = \frac{5x}{12} - 2 \) could represent balancing chemical reactions where certain amounts of substances must be equated. Solving these equations can help predict outcomes in experiments or financial decisions!