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Systems of linear equations: elimination — Homework
Show the elimination step clearly (what you added or subtracted) before solving for each variable.
- 1.Solve by elimination: 3x+y=13 and x-y=3.
- 2.Solve by elimination: 2x+5y=16 and 2x-3y=0.
- 3.Solve by elimination: 6x-2y=20 and 3x+2y=16.
- 4.Solve: 2x+5y=16 and x+2y=7 (scale one equation first).
- 5.Two numbers have a sum of 22 and a difference of 6. Set up and solve the system.
🌲 Homeschool of the FutureEleventh Grade · Math · week 5 homework