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fate. 10/0.3120251 Term1 Day. Monday week 7 Assignment \# 1: Solving simultaneous Equations 1 Solue for \( x \) and \( Y \) : \[ \begin{array}{l} 3 x+2 y=12 \\ x+2 y=8 \end{array} \] 2 Solve by elimination. \[ \begin{array}{l} 2 x-y=4 \\ 3 x+y=11 \end{array} \] 3 Solve using substitution: \[ \begin{array}{l} y=2 x+1 \\ y=x+4 \end{array} \] 4 Solve using multiplication and addition \[ \begin{array}{l} 2 x+3 y=12 \\ 4 x-y=5 \end{array} \] 5 Solve the equation with parentheses: \[ \begin{array}{l} 2(x+3)+y=10 \\ 3 x-y=5 \end{array} \] 6 Solve for \( x \) and \( y \). \[ \begin{array}{l} x+y=10 \\ 2 x-y=4 \end{array} \] 7 Solve the froctional equation. \[ \begin{array}{l} \frac{3 x}{2}+y=7 \\ x-\frac{y}{3}=2 \end{array} \]

Ask by Cole Wagner. in Papua New Guinea
Mar 15,2025

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1. \( x = 2 \), \( y = 3 \) 2. \( x = 3 \), \( y = 2 \) 3. \( x = 3 \), \( y = 7 \) 4. \( x = \frac{27}{14} \), \( y = \frac{19}{7} \) 5. \( x = \frac{9}{5} \), \( y = \frac{2}{5} \) 6. \( x = \frac{14}{3} \), \( y = \frac{16}{3} \) 7. \( x = \frac{26}{9} \), \( y = \frac{8}{3} \)

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Mind Expander

Solving simultaneous equations has a rich history in mathematics, dating back to ancient civilizations. The earliest recorded methods came from the Babylonians around 2000 BC, who had geometric approaches for solving linear equations. Fast forward to the 17th century, mathematicians like René Descartes laid the groundwork for algebraic methods we still use today. It's fascinating to think about how methods have evolved over millennia, making what seemed complex back then a breeze for us now! Did you know that simultaneous equations pop up in various real-world applications? From calculating rates in finance, determining the quantities of ingredients in recipes, to even optimizing production in factories, these equations help make sense of multiple variables at once. For instance, imagine you’re planning a road trip with friends and want to split fuel costs while also considering meals; setting up simultaneous equations can help you nail down everyone's share effortlessly! So next time you find yourself solving for \(x\) and \(y\), you’re not just crunching numbers—you’re applying a powerful tool that makes everyday life a little easier!

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