\( \begin{array}{ll}\text { 30) } \frac{2(x+1)}{3}-\frac{1-x}{5}=x+\frac{3}{10} & \text { Sol: } x=\frac{5}{4} \\ \begin{array}{ll}\text { 31) } \frac{x-1}{2}-\frac{x+1}{3}=1 & \text { Sol: } x=11 \\ \text { 32) } \frac{3 x-2}{5}-\frac{2 x-1}{3}=\frac{5 x-7}{15} & \text { Sol: } x=1 \\ \begin{array}{ll}\text { 33) } \frac{3 \cdot(x+1)}{4}-\frac{x+3}{6}+x=2 x+\frac{3-7 x}{12} & \text { Sol: } x=0 \\ \text { 34) } \frac{x-3}{3}-\frac{3 \cdot(x-2)}{2}=\frac{x-3-(x+2)}{2} & \text { Sol: } x=\frac{27}{7} \\ \text { 35) } \frac{2(x-2)}{3}+\frac{3 x+1}{3}=\frac{2 x-5}{12} & \text { Sol: } x=\frac{7}{18} \\ \text { 36) } \frac{3(x-2)}{4}-\frac{2(x-3)}{3}=\frac{x}{6}-\frac{3 x-6}{4} & \text { Sol: } x=\frac{3}{2} \\ \text { 37) } \frac{2(x+2)}{3}+\frac{3(x-3)}{6}-\frac{8(x-1)}{9}=1 & \text { Sol: } x=1\end{array}\end{array} \text { }\end{array} \)
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The Deep Dive
Did you know that solving equations like these has roots going back to ancient civilizations? The Babylonians were some of the first to develop methods for solving linear equations around 2000 BCE, using geometrical approaches. Fast forward to today, and we have algebraic notation and techniques that streamline the process, making math both more efficient and accessible! In real-world application, understanding how to solve equations helps you tackle everyday problems. Whether you're calculating the budget for a party, determining the time it takes to travel a distance, or adjusting recipes, the principles of algebra are essential. Grasping these concepts not only boosts your problem-solving skills but also enhances logical thinking—skills that are invaluable in both academic and practical scenarios!