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# Solving Equations

From supply and demand to position and velocity, equations model the world around us. Equip yourself with the tools necessary to solve for x.

Solve the following system of equations: \[\begin{cases} 2x+y=7 \\ 4x-y=5. \end{cases}\]

Solve the following system of equations: \[\begin{cases} -3x+4y=29 \\ -7x-4y=1. \end{cases}\]

Solve the following system of equations: \[\begin{cases} 6x+2y=42 \\ 8x-4y=36. \end{cases}\]

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